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【单选题】
下列各项中( )不是固体散装货船在运输过程中的危险性。A.
稳性减小或丧失
B.
因化学反正而引起火灾、中毒等事故
C.
船舶结构损坏
D.
船舶操纵困难
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【单选题】The ______ of seawater into drinking water is a complicated problem.
A.
conversion
B.
conjecture
C.
concession
D.
contraction
【简答题】试述母乳喂养的优点。
【简答题】试述母乳喂养的优点。
【单选题】The ballasting pump can be replaced with the main seawater pump. 02010503
A.
The main seawater pump can be replaced with the ballasting pump.
B.
The main seawater pump can replace the ballasting pump.
C.
The ballasting pump can be replaced with the fire-fighting pump.
D.
The ballasting pump can be replaced with the auxiliary seawater pump.
【简答题】试述母乳喂养的优点?
【单选题】A flash-type evaporator discharges heated seawater into a chamber that is maintained at a pressure than the vapor pressure of the entering heated seawater, and subsequently the flashed water vapor the...
A.
lower condensing
B.
higher cooling
C.
lower cooling
D.
higher condensing
【单选题】The exposed portion of the outboard propeller shaft is protected against seawater corrosion by____
A.
A layer of oxidation formed when the metal of the shaft is exposed to seawater
B.
A covering of plastic, rubber, or shrunk-on compositon sleeve
C.
A corrosion-resistant paint
D.
A heavy lubricant
【简答题】试述母乳喂养的优点。
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