你可能感興趣的試題

Which of the following items don’t belong to dock repair works?（）

A.making the repair list, booking spare parts and special tools for the dock repair
B.shutting off all of the S.W valves to outboard
C.the sketches or diagrams used for the dock repair
D.cleaning up the oil tank and boiler before enter the dock

單項(xiàng)選擇題

During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.

A.the highest
B.above 3/4
C.1/2 -3/4
D.the lowest