单项选择题
A.pressure gauges B.stretch gauges C.thermometers D.bridge gauges
The cooling water temperature （） over a period of 8 hou...
单项选择题The cooling water temperature （） over a period of 8 hours, and then shut down.
A.should be gradually increased B.should be gradually reduced C.should be constantly kept D.should be varied up and down
The cooling water jacket is common to all the cylinders...
单项选择题The cooling water jacket is common to all the cylinders but there are often （） to ensure that each cylinder receives the right amount and flow of water.
A.dividing walls B.divided walls C.dividing liners D.divided jackets
The cooling water is in direct contact with the outer s...
单项选择题The cooling water is in direct contact with the outer surface of the liner as a result of which it is termed a （）.
A.water liner B.wet liner C.dry liner D.drown liner
