A、condensate pump ball bearing
B、main shaft bearing
C、main turbine bearing
D、diesel engine wrist pin bearing
更多“A grease gun is generally used to lubricate a （）.”相关的问题
A、the gun is being used to sound passing signals B、the vessel is in distress C、all vessels are to clear the area D、all is clear and it is safe to pass
A、A.dirt will cause corrosion of bearing B、B.bearings will leak oil excessively C、C.dirt is very abrasive when mixed with grease D、D.grease will become inflammable
A、In the United States，everyone can buy a gun B、In the United States，guns are available to everyone C、In the United States，every person can buy a gun
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