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
您可能感興趣的試卷
你可能感興趣的試題
A.occurred
B.occurring
C.not happening
D.occur
A.gases
B.paints
C.inhibitors
D.detergent
A.agent
B.shipchandler
C.surveyor
D.engineer
A.principle
B.principal
C.cause
D.case
A.renewed
B.welded
C.machined
D.chromium-plated
最新試題
What is the function of the thrust bearing?（）
White smoke exhausting from an operating diesel engine may indicate （）.
A diesel engine piston ring face is in direct contact with the （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
In using reduction gears to obtain efficient propeller speeds, （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Lube oil cannot be efficiently filtered if its （）.