A.opened up
B.closed off
C.lined up
D.taken off
您可能感興趣的試卷
你可能感興趣的試題
A.base circle
B.slope
C.bottom point
D.top point
A.injection
B.penetration
C.atomization
D.compression
A.gears
B.rams
C.barrels
D.cams
A.is purified
B.in timed
C.is compressed
D.atomizes
A.crown and skirt
B.liner and jacket
C.ring and groove
D.jacket and block
最新試題
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
The shipboard oil pollution emergency plan will be invalid after （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
The condensers located in various stages of a flash evaporator are cooled by（）
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.
Which of the following items don’t belong to dock repair works?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）