A.transmitter
B.receiver
C.pipes
D.charging unit
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A.transmitter
B.receiver
C.pipes
D.charging unit
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
最新試題
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Diesel engine air start system check valves are opened by （）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
The ISPS Code consists of a mandatory section-Part A, which shows（）
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Using a file without a handle may result in （）
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.
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）