单项选择题
A.burn excessive amounts of lube oil
B.overheat without smoking
C.operate with reduce power or stop
D.run away without load
单项选择题 The pressure in an operating diesel engine cylinder continues to rise for a short period after the piston passes top dead center as a result of the （）
单项选择题 If a diesel engine runs out of fuel, you can expect trouble from （）
单项选择题 In a flash type evaporator, the brine overboard pump is vented directly to the（）