A.in the store room
B.in the cylinder
C.in the scavenge air box
D.in the water box
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A.carry off
B.carry down
C.carry on
D.carry over
A.gravity
B.diameter
C.circumference
D.cylinder
A.displacement
B.weight
C.power
D.capacity
A.should be paved
B.should be cleaned
C.should be dismantled
D.should be welded
A.fulfill
B.eliminate
C.grease
D.bend
最新試題
Thermostatic expansion valves can be adjusted for （）.
A salinity indicator is used to determine the （）.
The general purpose of a heat exchanger is to （）.
Low compressor head pressure in a refrigeration system can be caused by（）.
A grease gun is generally used to lubricate a （）.
A salinity indicator is used to determine the （）.
On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is （）.
The control mode in which the final control element is moved from one of two flexed positions to the other is known as （）.
Which of the following statements is correct concerning heat transfer?（）
The usual symptoms of cavitation in a centrifugal pump is （）.