A.transmitter
B.receiver
C.pipes
D.charging unit
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A.hunting gear
B.cut-off level
C.servo-motor
D.swivel block
A.control equipment
B.power unit
C.transmission mechanisms
D.fittings and pipeline
A.dog clutch
B.Pair of gears
C.worm gear
D.turning gear
A.cranes
B.mooring barrel
C.capstans
D.cable lifter
A.popular
B.common
C.in lead position
D.uncommon
A.spur geared
B.screw geared
C.worm geared
D.belt driven
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B.winches
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A.a new bacteria colony should be put into the plant in advance
B.the disinfection chemicals should be always used
C.the air blower should be started and keep running in advance
D.the nutrient for bacteria should put into plant in advance
最新试题
The cetane rating of diesel fuel is an indication of the （）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
The main purpose of port State control is not to（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
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.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
The condensers located in various stages of a flash evaporator are cooled by（）
The shipboard oil pollution emergency plan will be invalid after （）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）