A.without the necessity of manually adjusting the lines
B.without the necessity of automatically adjusting the lines
C.with the necessity of manually adjusting the lines
D.with the un-necessity of automatically adjusting the lines
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A.The large-tension mooring
B.The small-tension mooring
C.The variable-tension mooring
D.The constant-tension mooring
A.physical deformation
B.state exchange
C.chemical reaction
D.coalescence
A.seating
B.bedplate
C.entablature
D.cylinder block
A.through bolts
B.jack bolts
C.holding down bolts
D.tap bolts
A.in which
B.on which
C.to which
D.by which
最新試題
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
If separating effect is not good, which measure should be taken （）
Under MARPOL Code the ship to which it applies has to carry （）
To proceed to the assistance of a ship in distress is（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
Diesel engine air start system check valves are opened by （）