A.hunting gear
B.cut-off level
C.servo-motor
D.swivel block
您可能感興趣的試卷
你可能感興趣的試題
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
最新試題
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Cold weather starting of a diesel engine may be made easier by（）
Using a file without a handle may result in （）
（） is not installed on the main switchboar.
To proceed to the assistance of a ship in distress is（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
Diesel engine air start system check valves are opened by （）