A.windlasses
B.drums
C.capstans
D.warp ends
您可能感興趣的試卷
你可能感興趣的試題
A.horse power
B.high pressure compressor
C.hand pump
D.high pressure
A.catch plates
B.swash plates
C.cover plates
D.bedplates
A.filter
B.hole
C.pollution
D.content
A.scaled
B.worn
C.deformed
D.rested
A.a heater
B.a pre-heater
C.an exhaust gas boiler
D.the coal burning boiler
最新試題
An internal bypass is provided on some hydraulic system suction strainers to help reduce the possibility of （）.
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?（）
The major source of chemical contaminants in hydraulic fluid is （）.
An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by （）.
Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by （）.
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?（）
The rate of heat transfer between the hot and cold fluids passing through a shell-and-tube type heat exchanger will （）.
Low compressor head pressure in a refrigeration system can be caused by（）.
Which of the listed pumps is NOT a positive displacement pump?（）
A salinity indicator is used to determine the （）.