单项选择题
Please draw out a 01 mm （） between the two halves of the bearing to reduce the clearance.
A.shim
B.gasket
C.washer
D.packing
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相关考题
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单项选择题
Pistons of marine medium speed diesel engines may be made of （） in order to keep the weight down for balancing purpose at high speed.
A.lead
B.forged steel
C.alloy steel
D.aluminum alloy -
单项选择题
Pistons may be made in （） in order to keep the weight down for balancing purposes at high speed.
A.cast iron
B.forged steel
C.stainless steel
D.aluminum alloy -
单项选择题
Piston No2 of main engine has been removed, and it will be （） by noon tomorrow.
A.lifted
B.reassembled
C.dismounted
D.disassembled
