A.chain lifter
B.winch barrel
C.slewing rim
D.warping dru
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A.steering gear
B.windlass
C.deck crane
D.warping drum
A.cargo winch
B.chain lifter
C.cable stopper
D.windlass
A.steering gear
B.windlass
C.deck crane
D.warping drum
A.ventilated and tagged
B.ventilated and cooled down
C.insulated and encased
D.insulated and warmed up
A.with the axis of the solenoid horizontal, sensing temperature of the box, and upstream of the thermal expansion valve
B.upright, sensing temperature of the box, and upstream of the thermal expansion valve
C.upright, sensing temperature of the box, and downstream of the thermal expansion valve
D.upright, sensing heat of the tail coil, and upstream of the thermal expansion valve
最新試題
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Which of the following items don’t belong to dock repair works?（）
Diesel engine air start system check valves are opened by （）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Using a file without a handle may result in （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
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
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.