A.scaled
B.worn
C.deformed
D.rested
您可能感興趣的試卷
你可能感興趣的試題
A.a heater
B.a pre-heater
C.an exhaust gas boiler
D.the coal burning boiler
A.be increased
B.be decreased
C.remain constant
D.either be increased or remain constant
A.the more
B.the higher
C.the lower
D.the highest
A.monkey
B.donkey
C.waste heat
D.main
A.fire
B.water wall
C.generating
D.down comer
最新試題
The usual symptoms of cavitation in a centrifugal pump is （）.
When the steering gear is in operation, you should （）.
A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by （）.
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?（）
An internal bypass is provided on some hydraulic system suction strainers to help reduce the possibility of （）.
A salinity indicator is used to determine the （）.
The major source of chemical contaminants in hydraulic fluid is （）.
A grease gun is generally used to lubricate a （）.
The rate of heat transfer from a hot region to a cold region is affected most by the （）.
The temperature differential occurring between the inlet temperature of the fluid to be cooled and the outlet temperature of the cooling medium in a shell-and-tube heat exchanger is greatest in which of the flow designs listed?（）