| BRAND |
TYPE |
DICRIPTION |
DRAWING NO. |
| MAK |
M 20 |
VALVE HEAD FOR AIR BOTTLE |
B1.05.10.1.7897 AA |
| MAK |
M 20 |
VALVE HEAD ASSEMBLY |
1.7897 AA |
| MAK |
M 20 |
VALVE INSERT ASSEMBLY |
1.7897-2 |
| MAK |
M 20 |
VALVE SEAT |
1.7897-3 |
| MAK |
M 20 |
VALVE INSERT ASSEMBLY |
1.7897-4 |
| MAK |
M 20 |
VALVE SEAT |
1.7897-5 |
| MAK |
M 20 |
VALVE ASSEMBLY |
1.7897-6 |
| MAK |
M 20 |
RELIEF VALVE ASSEMBLY |
1.8660-106 |
| MAK |
M 20 |
SCREW PLUG |
R1/2” DIN910 |
| MAK |
M 20 |
VALVE ASSEMBLY |
1.7897-9 |
| MAK |
M 20 |
JOINT RING |
A21×26 DIN7603 CU |
| MAK |
M 20 |
UNION PLUG |
AL12 DIN3871 ST-A2C |
| MAK |
M 20 |
CUTTING RING |
L12 DIN3861 ST-A2C |
| MAK |
M 20 |
STUD |
M20×2×55 DIN939 5.6 |
| MAK |
M 20 |
HEXAGON NUT |
M20×2 DIN934 MG 5 |
| MAK |
M 20 |
LOCKING PLATE |
1.7897-21 |
| MAK |
M 20 |
ROUND HEAD SCREW |
M6×8 DIN86 4.6 |
| MAK |
M 20 |
LOCKING PLATE |
1.7897-23 |
| MAK |
M 20 |
ROUND HEAD SCREW |
M5×6 DIN86 4.6 |
| MAK |
M 20 |
THREADED TUBE |
R11/2”×160 DIN2440 ST-VERZ |
| MAK |
M 20 |
JOINT RING |
A42×49 DIN7603 CU |
| MAK |
M 20 |
JOINT RING |
A65×74 DIN7603 CU |
| MAK |
M 20 |
JOINT RING |
A50×57 DIN7603 CU |
| MAK |
M 20 |
JOINT RING |
A105×120×2 DIN7603 IT300 |
| MAK |
M 20 |
JOINT RING |
A14×18 DIN7603 CU |
| MAK |
M 20 |
PRESSURE GAUGE |
1.7897-42 |
| MAK |
M 20 |
AIR BOTTLE |
1.7897-50 |
… …
| BRAND |
TYPE |
DICRIPTION |
DRAWING NO. |
| MAK |
M 20 |
COOLING WATER PUMP MOUNTING |
B1.05.09.2.6440 BB |
| MAK |
M 20 |
COOLING WATER PUMP ASSEMBLY |
2.6440 BB |
| MAK |
M 20 |
COOLING WATER PUMP,COMPL |
SEE SHEET B1.05.09.2.6437 |
| MAK |
M 20 |
GEAR WHEEL |
2.6440-3 |
| MAK |
M 20 |
HEXAGON SCREW |
M12×25 DIN933 8.8-A3C |
| MAK |
M 20 |
HEXAGON SCREW |
M12×50 DIN933 8.8-A3C |
| MAK |
M 20 |
HEXAGON SCREW |
M12×35 DIN933 8.8-A3C |
| MAK |
M 20 |
WASHER |
2.6420-12 |
| MAK |
M 20 |
BLANK FLANGE |
2.6440-12 |
| MAK |
M 20 |
GASKET |
2.6440-13 |
… …
| BRAND |
TYPE |
DICRIPTION |
DRAWING NO. |
| MAK |
M 20 |
LUBRICATING OIL PIPES FOR FUEL INJECTION |
B1.05.08.2.8478 BB |
| MAK |
M 20 |
LUBRICATING OIL PIPES ASS |
2.8478 BB |
| MAK |
M 20 |
LUBE OIL PIPE ,COMPL |
2.8478-1 |
| MAK |
M 20 |
LUBE OIL PIPE ,COMPL |
2.8478-2 |
| MAK |
M 20 |
LUBE OIL PIPE ,COMPL |
2.8478-3 |
| MAK |
M 20 |
MALE CONNECTOR |
L6A-M DIN3901 2.0540 |
| MAK |
M 20 |
BANJO |
1.5097-440 |
… …
| BRAND |
TYPE |
DICRIPTION |
DRAWING NO. |
| MAK |
M 20 |
MAIN NOZZLE LEAK FUEL PIPING |
B1.05.07.2.8540 BB |
| MAK |
M 20 |
NOZZLE LEAK FUEL PIPING ASSEMBLY |
2.8540 BB |
| MAK |
M 20 |
NOZZLE LEAK FUEL PIPE,COMPL |
2.8540-101 |
| MAK |
M 20 |
NOZZLE LEAK FUEL PIPE,COMPL |
2.8540-102 |
| MAK |
M 20 |
LEAK FUEL PIPE,COMPL |
2.8540-103 |
| MAK |
M 20 |
BRACKET |
2.8540-104 |
| MAK |
M 20 |
PIPE CLAMP |
1.5011-11 |
| MAK |
M 20 |
PIPE CLAMP |
1.5011.21 |
| MAK |
M 20 |
REDUCING UNION |
1.5098-9 |
| MAK |
M 20 |
MALE CONNECTOR |
L18A-M DIN3901 ST-A3C |
| MAK |
M 20 |
MALE CONNECTOR |
L15A-M DIN3901 ST-A3C |
| MAK |
M 20 |
PIPE UNION |
L18 DIN3902 ST-A3C |
| MAK |
M 20 |
ADJUSTABLE ELBOW |
L18 DIN3952 ST-A3C |
| MAK |
M 20 |
UNION NUT |
AL18 DIN3870 A3C |
| MAK |
M 20 |
CUTTING RING |
1.5059-218 |
| MAK |
M 20 |
JOINT RING |
A22×27 DIN7603 CU |
| MAK |
M 20 |
JOINT RING |
A18×22 DIN7603 ST |
| MAK |
M 20 |
HEXAGON BOLT |
M8×35 DIN931 8.8-A2C |
| MAK |
M 20 |
HEXAGON SCREW |
M12×25 DIN933 8.8-A3C |
| MAK |
M 20 |
CONICAL SPRING WASHER |
12 DIN6796 FST-A3C |
… …
| BRAND |
TYPE |
DICRIPTION |
DRAWING NO. |
| MAK |
M 20 |
LEAK FUEL PIPING |
B1.05.07.2.8540 AA |
| MAK |
M 20 |
LEAK FUEL PIPING ASSEMBLY |
2.8540 AA |
| MAK |
M 20 |
LEAKAGE PIPE,COMPL |
2.8540-1 |
| MAK |
M 20 |
STEEL TUBE |
RO18×1,5 DIN2391 ST35NBK |
| MAK |
M 20 |
FLAT STEEL |
FL40×5 DIN1017 RST37-2 |
| MAK |
M 20 |
CLAMP |
1.5011-11 |
| MAK |
M 20 |
COCK |
1.8520-16 |
| MAK |
M 20 |
JOINT RING |
A22×27 DIN7603 CU |
| MAK |
M 20 |
JOINT RING |
A14×18 DIN7603 ST |
| MAK |
M 20 |
MALE CONNECTOR |
L18A-M DIN3901 ST-A3C |
| MAK |
M 20 |
MALE CONNECTOR |
L10A-G DIN3901 ST-A3C |
| MAK |
M 20 |
ADJUSTABLE ELBOW |
L18 DIN3952 ST-A3C |
| MAK |
M 20 |
ADJUSTABLE T-UNION |
L18 DIN3953 ST-A3C |
| MAK |
M 20 |
ADJUSTABLE T-UNION |
L10 DIN3953 ST-A3C |
| MAK |
M 20 |
UNION NUT |
AL18 DIN3870 A3C |
| MAK |
M 20 |
CUTTING RING |
1.5059-218 |
| MAK |
M 20 |
HEXAGON BOLT |
M12×55 DIN931 8.8-A3C |
| MAK |
M 20 |
HEXAGON BOLT |
M8×45 DIN931 8.8-A2C |
| MAK |
M 20 |
HEXAGON BOLT |
M8×35 DIN931 8.8-A2C |
| MAK |
M 20 |
HEXAGON NUT |
M8 DIN934 8-A2C |
… …
| BRAND |
TYPE |
DICRIPTION |
DRAWING NO. |
| MAK |
M 20 |
CHARGE AIR COOLERMOUNTING |
B1.05.06.2.7240 BB |
| MAK |
M 20 |
CHARGE AIR COOLERMOUNTING ASSEMBLY |
2.7240 BB |
| MAK |
M 20 |
HOUSING |
2.7240-1 |
| MAK |
M 20 |
CHARGE AIR COOLER |
SEE BOOK C,SECTION 10 |
| MAK |
M 20 |
GASKET |
2.7240-3 |
| MAK |
M 20 |
COVER |
2.7240-14 |
| MAK |
M 20 |
GEASKET |
2.7240-15 |
| MAK |
M 20 |
COVER |
2.7240-16 |
| MAK |
M 20 |
GASKET |
2.7280-8 |
| MAK |
M 20 |
CUP WAHSER |
2.7240-10 |
| MAK |
M 20 |
CUP WAHSER |
2.7240-11 |
| MAK |
M 20 |
CUP WAHSER |
2.7240-12 |
| MAK |
M 20 |
HEXAGON SCREW |
M12×25 DIN933 8.8-A3C |
| MAK |
M 20 |
HEXAGON SCREW |
M12×30 DIN933 8.8-A3C |
| MAK |
M 20 |
HEXAGON SCREW |
M12×35 DIN933 8.8-A3C |
| MAK |
M 20 |
HEXAGON SCREW |
M12×45 DIN933 8.8-A3C |
| MAK |
M 20 |
HEXAGON BOLT |
M12×55 DIN931 8.8-A3C |
| MAK |
M 20 |
HEXAGON BOLT |
M12×65 DIN931 8.8-A3C |
| MAK |
M 20 |
HEXAGON BOLT |
M12×160 DIN931 8.8-A3C |
| MAK |
M 20 |
STUD |
M12×35 DIN939 5.6 |
| MAK |
M 20 |
HEXAGON HEAD SCREW PLUG |
G1/4A DIN910 ST-A3C |
| MAK |
M 20 |
HEXAGON SOCKET SCREW PLUG |
G1/2A DIN908 ST |
| MAK |
M 20 |
SCREW PLUG |
M42×2 DIN908 ST-A3C |
| MAK |
M 20 |
CONICAL SPRING WASHER |
8 DIN6796 FST-A3C |
| MAK |
M 20 |
JOINT RING |
A14×18 DIN7603 CU |
| MAK |
M 20 |
JOINT RING |
A42×49 DIN7603 CU |
| MAK |
M 20 |
JOINT RING |
A21×26 DIN7603 CU |
… …
| BRAND |
TYPE |
DICRIPTION |
DRAWING NO. |
| MAK |
M 20 |
CONTROL STAND |
B1.05.05.2.4523 AA |
| MAK |
M 20 |
CONTROL STAND ASSEMBLY |
2.4523 AA |
| MAK |
M 20 |
VALVE BOX,COMPL |
2.4523-1 |
| MAK |
M 20 |
BRACKET |
2.4523-2 |
| MAK |
M 20 |
LEVER |
2.4523-3 |
| MAK |
M 20 |
FILLING CAM |
2.4523-4 |
| MAK |
M 20 |
COUPLING,COMPL |
2.4523-5 |
| MAK |
M 20 |
DOG |
2.4523-6 |
| MAK |
M 20 |
LEVER SEGMENT |
2.4523-8 |
| MAK |
M 20 |
PLUNGER PIN |
6.4250-4 |
| MAK |
M 20 |
LEVER |
2.4523-10 |
| MAK |
M 20 |
SHAFT |
2.4523-12 |
| MAK |
M 20 |
SINGLE-ACTING CYLINDER |
SEE SHEET B1.05.05.1,.4337 |
| MAK |
M 20 |
PRESSURE SWITCH |
2.4523-14 |
| MAK |
M 20 |
COMPRESSED-AIR FILTER |
SEE SHEET B1.05.05.1.4900 |
| MAK |
M 20 |
3/2-WAY VALVE |
2.4523-17 |
| MAK |
M 20 |
PRESSURE REDUCER |
SEE SHEET B1.05.05.1.4902 |
| MAK |
M 20 |
RELIEF VALVE |
1.4918-102 |
| MAK |
M 20 |
AIR DISTRIBUTOR |
2.4523-20 |
| MAK |
M 20 |
COLLAR SCREW |
2.4523-21 |
| MAK |
M 20 |
SCREW PLUG |
2.4523-22 |
| MAK |
M 20 |
HEXAGON HEAD SCREW PLUG |
M14×1,5 DIN910 ST-A3C |
| MAK |
M 20 |
JOINT RING |
A14×18 DIN7603 CU |
| MAK |
M 20 |
JOINT RING |
A22×27 DIN7603 CU |
| MAK |
M 20 |
JOINT RING |
A17×21 DIN7603 CU |
| MAK |
M 20 |
HEADLESS PIN WITH PLAT POINT |
M10×60 DIN913 45H-A3C |
| MAK |
M 20 |
HEXAGONG NUT |
M10 DIN934 8-A3C |
| MAK |
M 20 |
CONICAT SPRING WASHER |
10 DIN6796 FST-A3C |
| MAK |
M 20 |
JOINT RING |
1.7043-204 |
| MAK |
M 20 |
SPRING DOWEL PIN |
6×40 DIN1481 ZNPH R10 |
| MAK |
M 20 |
COMPRESSION SPRING |
1.4250-5 |
| MAK |
M 20 |
T-REDUCER |
2.4523-35 |
| MAK |
M 20 |
PRESSURE GAUGE,COMPL |
075EG6325-D DIN 16063 |
| MAK |
M 20 |
BUSH |
2.4523-37 |
| MAK |
M 20 |
CHEESE HEAD SCREW |
AM5×35 DIN84 4.8-A2C |
| MAK |
M 20 |
HEXAGON NUT |
M5 DIN934 8-A2C |
| MAK |
M 20 |
HEXAGON SCREW |
M5×45 DIN933 8.8-A2C |
| MAK |
M 20 |
HEXAGON NUT |
M8 DIN934 8-A2C |
| MAK |
M 20 |
HEXAGON NUT |
M18×1,5 DIN934 8-A2C |
| MAK |
M 20 |
HEXAGON FIT BOLT |
M16×60 DIN609 8.8 |
| MAK |
M 20 |
HEXAGON THIN NUT |
BM16 DIN439 05-A3C |
| MAK |
M 20 |
BALL KNOB |
E40 DIN319 FS/MS |
| MAK |
M 20 |
HEXAGON SCREW |
M8×35SK DIN933 8.8 |
| MAK |
M 20 |
COPPER TUBE |
RO6×1 DIN1754 2.0090.26 |
| MAK |
M 20 |
HEXAGON SCREW |
M8×16 DIN933 8.8-A2C |
| MAK |
M 20 |
SILENCER,COMPL |
2.4523-54 |
| MAK |
M 20 |
HEXAGON NUT |
M8 DIN934 8-A2C |
| MAK |
M 20 |
HEXAGON SCREW |
M10×10 DIN933 8.8-A3C |
| MAK |
M 20 |
HEXAGON SCREW |
M8×25 DIN933 8.8-A2C |
| MAK |
M 20 |
HEXAGON SCREW |
M12×20 DIN933 8.8-A3C |
| MAK |
M 20 |
HEXAGON SCREW |
M5×40 DIN933 8.8-A2C |
| MAK |
M 20 |
HEXAGON SCREW |
M10×20 DIN933 8.8-A3C |
| MAK |
M 20 |
HEXAGON BOLT |
M6×75 DIN931 8.8-A2C |
| MAK |
M 20 |
HEXAGON BOLT |
M5×65 DIN931 8.8 |
| MAK |
M 20 |
HEXAGON SOCKET SCREW PLUG |
M60×2 DIN908 CUZN |
| MAK |
M 20 |
DOUBLE NIPPLE |
R1/2×R3/8 DIN1566 A3C |
| MAK |
M 20 |
JOINT RING |
A21×26 DIN7603 CU |
| MAK |
M 20 |
PIPE CLIP |
13 DIN1592 A3C |
| MAK |
M 20 |
PIPE CLIP |
43 DIN1593 A3C |
| MAK |
M 20 |
MALE CONNECTOR |
L10A-M DIN3901 ST-A3C |
| MAK |
M 20 |
UNION NUT |
AL10 DIN3870 A3C |
| MAK |
M 20 |
MALE CONNECTOR |
L6A-G DIN3901 ST-A3C |
| MAK |
M 20 |
CONNECTION UNION |
L6E-G DIN3955 ST-A3C |
| MAK |
M 20 |
PIPE UNION |
L10 DIN3902 ST-A3C |
| MAK |
M 20 |
JOINT RING |
A10×13,5 DIN7603 CU |
| MAK |
M 20 |
THREE-WAY BALL VALVE |
2.4523-78 |
| MAK |
M 20 |
COPPER TUBE |
RO10×1,5 DIN1754 2.0090.26 |
| MAK |
M 20 |
PROGRESSIVE RING |
1.5059-207 |
| MAK |
M 20 |
REINFORCING SLEEVE |
1.3088-12 |
| MAK |
M 20 |
BANJO |
1.5097-445 |
| MAK |
M 20 |
UNION TEE |
L10 DIN3908 ST-A3C |
… …
| BRAND |
TYPE |
DICRIPTION |
DRAWING NO. |
| MAK |
M 20 |
INJECTION PUMP DRIVE |
B1.05.04.2.3580 AA |
| MAK |
M 20 |
INJECTION PUMP DRIVE ASSEMBLY |
2.3580 AA |
| MAK |
M 20 |
FUEL INJECTION PUMP,COMPL |
SEE SHEET B1.05.07.2.3597 |
| MAK |
M 20 |
THRUST ROD |
2.3580-5 |
| MAK |
M 20 |
SPRING PLATE |
2.3580-6 |
| MAK |
M 20 |
SPRING GUIDE |
2.3580-7 |
| MAK |
M 20 |
PRESSURE SPRING |
2.3580-10 |
| MAK |
M 20 |
HEXAGON NUT |
M12 DIN934 10 |
| MAK |
M 20 |
WASHER |
13 DIN125 140HV-A3 |
| MAK |
M 20 |
O-RING |
1.7084-602 |
| MAK |
M 20 |
DISTANCE PLATE,2 |
2.3580-18 |
| MAK |
M 20 |
DISTANCE PLATE,2.,2 |
2.3580-19 |
| MAK |
M 20 |
DISTANCE PLATE,2.,4 |
2.3580-20 |
| MAK |
M 20 |
DISTANCE PLATE,2.,6 |
2.3580-21 |
| MAK |
M 20 |
DISTANCE PLATE,2,8 |
2.3580-22 |
| MAK |
M 20 |
DISTANCE PLATE,3 |
2.3580-23 |
| MAK |
M 20 |
DISTANCE PLATE,3,2 |
2.3580-24 |
| MAK |
M 20 |
DISTANCE PLATE,3,4 |
2.3580-25 |
| MAK |
M 20 |
GOVERNOR MOUNTING |
B1.05.04.2.4110 AA |
| MAK |
M 20 |
GOVERNOR MOUNTING ASSEMBLY |
2.4110AA |
| MAK |
M 20 |
GOVERNOR |
SEE BOOK C,SECTION 3 |
| MAK |
M 20 |
ELASTIC CONNECTING-ROD,COMPL |
2.4110-3 |
| MAK |
M 20 |
LEVER |
2.4110-5 |
| MAK |
M 20 |
LEVER |
2.4110-6 |
| MAK |
M 20 |
BOLT |
2.4110-7 |
| MAK |
M 20 |
LINK BOLT |
7.4215-55 |
| MAK |
M 20 |
SPACER |
1.4520-114 |
| MAK |
M 20 |
GASKET |
1.4110-111 |
| MAK |
M 20 |
HEXAGON SCREW |
M8×25 DIN933 8.8-A2C |
| MAK |
M 20 |
HEXAGON BOLT |
M8×35 DIN931 8.8-A2C |
| MAK |
M 20 |
HEXAGON SCREW |
M10×50 DIN933 8.8-A3C |
| MAK |
M 20 |
HEXAGON THIN NUT |
BM10 DIN439 04-A3C |
| MAK |
M 20 |
HEXAGON CASTLE NUT |
M10 DIN935 8-A3C |
| MAK |
M 20 |
HEXAGON THIN CASTLE NUT |
M10 DIN979 05-A3C |
| MAK |
M 20 |
HEXAGON SOCKET GRUB SCREW |
M6×10 DIN914 45H |
| MAK |
M 20 |
SPLIT PIN |
2,5×20 DIN94 ST-A2C |
| MAK |
M 20 |
LINK HEAD |
2.4110-27 |
… …
| BRAND |
TYPE |
DICRIPTION |
DRAWING NO. |
| MAK |
M 20 |
ROCKER GEAR COVER |
B1.05.01.2.2190 AA |
| MAK |
M 20 |
ROCKER GEAR COVER ASSEMBLY |
2.2190AA |
| MAK |
M 20 |
COVER |
2.2190-1 |
| MAK |
M 20 |
RUBBER SEAL |
2.210-2 |
| MAK |
M 20 |
STUD |
M12×70 DIN939 8.8-A3C |
| MAK |
M 20 |
SPRING DOWEL PIN |
3×20 DIN1481 ZNPHR10F |
| MAK |
M 20 |
SPRING DOWEL PIN |
5×20 DIN1481 ZNPHR10F |
| MAK |
M 20 |
WASHER |
13 DIN9021 140HV-A3 |
| MAK |
M 20 |
HEXAGON THIN NUT |
BM12 DIN439 05-A3C |
| MAK |
M 20 |
HEXAGON SOCKET SCREW PLUG |
M42×1,5 DIN908 ST-A3C |
| MAK |
M 20 |
JOINT RING |
A42×49 DIN7603 CU |
| MAK |
M 20 |
O-RING |
2.2190-14 |
| MAK |
M 20 |
STAR GRIP |
D63 DIN6336 GG |
… …
| BRAND |
TYPE |
DICRIPTION |
DRAWING NO. |
| MAK |
M 20 |
CRANKCASE BREATHER |
B1.05.03.2.1165 AA |
| MAK |
M 20 |
CRANKCASE BREATHER ASSEMBLY |
2.1165 AA |
| MAK |
M 20 |
VENT PIPE ,COMPL |
2.1165-1 |
| MAK |
M 20 |
FLANGE |
C1-90×57 N4011 RST37-2 |
| MAK |
M 20 |
GASKET |
B90×57 N4251 AFM30G2 |
| MAK |
M 20 |
HEAXAGON SCREW |
M12×50 DIN933 8.8-A3C |
| MAK |
M 20 |
HEAXAGON SCREW |
M12×30 DIN933 8.8-A3C |
| MAK |
M 20 |
CLOUSING DISK |
78×2 KN035605 ST |
… …
【河柴】曼恩中国授权工厂主要产品包括：|河柴| MAN|曼恩|16/24|L16/24|21/31|L21/31|5L16/24|6L16/24|7L16/24| 河柴|曼恩| MAN|8L16/24|9L16/24|5L21/31|6L21/31|7L21/31|8L21/31|9L21/31|柴油机、配件产品。中船重工集团成员公司包括：【安庆】【大发】【陕柴】【河柴】【镇柴】【大柴】【沪东】【宜昌柴油机】【新中动力】等柴油机和备件。主要品牌：MTU、曼恩、MAN、瓦锡兰、WARTSILA、MWM、曼海姆、MAK、马克、新泻、NIIGATA、PIELSTICK、皮尔斯蒂克、SKL、苏尔寿、康明斯、CUMMINS、VASA、WARTSILA、洋马、YANMAR、AKASAKA、赤坂、阪神、HANSHIN、卡特、CATERPILLAR、MTU、BERGEN、、MWM、现代、HYUNDAI、HIMSEN、NIIGATA、颜巴赫、JENBACHER、川崎、KAWASAKI、大发、DAIHATSU、道依茨、DEUTZ、【济柴】【潍柴】【玉柴】【上柴】柴油机、气体机、发电机组、备件、备件||【ABB】【三菱】【MITSUBISHI】【IHI】【NAPIER】【纳皮尔】【KBB】【BBC】增压器、配件、备件||【SPERRE】斯皮尔、【TANABE】田边、【YANMAR】洋马、【ATLAS-COPCO】阿特拉斯、【CARRIER】开利、【HATLAPA】哈特拉帕、【HAMWORTHY】、船用、压缩机、空压机、备件、配件||【YORK】约克、【DAIKIN】大金、压缩机、冰机、备件||阿法拉伐、ALFA-LAVAL、三菱、分油机、备件。
