单项选择题
A.Rapid increase in temperature with constant pressure
B.Rapid increase in pressure with constant temperature
C.Rapid increase in pressure and temperature
D.Rapid increase in volume and decrease in pressure
单项选择题 The power output of a turbocharged diesel engine will drop if the cooling water flow through the after-cooler is interrupted because the （）.
单项选择题 The diameter of a piston is usually less at the crown than at the skirt, in order to （）.
单项选择题 The opening of an exhaust valve on a modem, large, low-speed, main propulsion diesel engine may be actuated by （）.