你可能感興趣的試題

Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）

A.double bottom fuel oil tank temperature
B.heater supply steam flow
C.pressure of the fuel supplied to the burners
D.attemperator steam flow in the heater discharge circuit

單項選擇題

“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）

A.substandard ship
B.standard ship
C.over-standard ship
D.reference ship