A.Remain
B.to remain
C.retain
D.to retain
您可能感興趣的試卷
你可能感興趣的試題
A.steam rather than gas is used to turn a shaft
B.vapor rather than gas is used to turn a shaft
C.the former uses gas to turn a shaft
D.the latter uses gas to turn a shaft
A.they operate between 150 and 450 rpm
B.they are connected to the propeller by gearing
C.their smaller size and weight
D.they can be connected directly to the propeller without gearing
A.both of them are ignited by compressed air
B.both of them are the forms of external combustion engines
C.both of them have spark plugs
D.the power is developed by the piston in the cylinder
A.found out
B.eliminated
C.avoided
D.lowered
A.indicator diagrams
B.nomo-gram
C.temperature readings
D.pressure readings
最新試題
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
The ISPS Code consists of a mandatory section-Part A, which shows（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
The treatment of the fuel oils involves storage, heating, filtering and（）
To proceed to the assistance of a ship in distress is（）
The condensers located in various stages of a flash evaporator are cooled by（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Using a file without a handle may result in （）
Which of the following items don’t belong to dock repair works?（）