单项选择题
When a diesel engine compression pressure is checked, the indicator is connected to the （）
A.cylinder exhaust ports B.injection line C.cylinder indicator cock D.banjo oiler line
单项选择题 Diesel engine mufflers accomplish noise reduction by （）
单项选择题 An indication of an overloaded main propulsion diesel engine is （）
单项选择题 The most practical way of detecting an overload in one cylinder of an operating large, low-speed ,main propulsion diesel engine is to （）
