A.flashing water
B.operating oil
C.flushing water
D.sealing water
您可能感興趣的試卷
你可能感興趣的試題
A.faster than dead slow speed
B.slower than dead slow speed
C.with the output of MCR
D.at critical speeds
A.salinity
B.alkalinity
C.acid
D.sanitary
A.should be correctly carried out
B.should correctly be taken place
C.should carded with care
D.must to carry out with great care
A.occurred
B.occurring
C.not happening
D.occur
A.gases
B.paints
C.inhibitors
D.detergent
最新試題
The main purpose of the piston oil scraper rings is to （）.
Routine monitoring of a diesel engine should include （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Proper filtering and straining of fuel oil is important because the （）.
To determine if the lube oil filter elements need changing, （）.
Lube oil cannot be efficiently filtered if its （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
In a simple mechanical governor, the （）.
In using reduction gears to obtain efficient propeller speeds, （）.