单项选择题
A.air cylinder B.combustion chamber C.steam drum D.expansion tank
The （） stage air compressors are widely used on board t...
单项选择题The （） stage air compressors are widely used on board the ship.
A.single B.Ⅱ C.Ⅲ D.multiple
The air filter is fixed in the （） of an air compressor....
单项选择题The air filter is fixed in the （） of an air compressor.
A.inlet pipe B.outlet pipe C.inter cooler D.after cooler
The （） belongs to the mooring equipment.A.steering gear...
单项选择题The （） belongs to the mooring equipment.
A.steering gear B.windlass C.deck crane D.warping drum
