单项选择题
White smoke exhausting from a diesel engine can result from （）
A.high exhaust temperature B.high lube oil temperature C.low turbo-charger speed D.low cooling water temperature
单项选择题 White smoke exhausting from an operating diesel engine may indicate （）
单项选择题 The over-speed trip installed on most diesel engine will stop the engine by shutting off the （）
单项选择题 The blower type crankcase ventilation system （）
