A.cranes
B.mooring barrel
C.capstans
D.cable lifter
您可能感兴趣的试卷
你可能感兴趣的试题
A.popular
B.common
C.in lead position
D.uncommon
A.spur geared
B.screw geared
C.worm geared
D.belt driven
A.cranes
B.windlass
C.capstans
D.mooring winches
A.cranes
B.winch barrel
C.capstans
D.windlass
A.cranes
B.winches
C.capstans
D.windlass
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
A.anaerobic bacteria
B.aerobic bacteria
C.air bubbles
D.disinfection chemicals
A.deoxygenating
B.oxygenating
C.chemicalizing
D.disinfecting
A.deoxygenating
B.extended aeration
C.oxygenating
D.bubbling air
A.waste oil
B.waste cloths
C.Oil rags
D.Waste food
最新试题
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The cetane rating of diesel fuel is an indication of the （）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The condensers located in various stages of a flash evaporator are cooled by（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
The ISPS Code consists of a mandatory section-Part A, which shows（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
（） is not installed on the main switchboar.