单项选择题
A.cooling jacket B.cylinder liner C.piston crown D.cylinder cover
On the top of the cylinder is mounted the cylinder cove...
单项选择题On the top of the cylinder is mounted the cylinder cover which is pressed onto （） of the cylinder liner by means of nuts and studs.
A.the camshaft B.the flange C.the ridge D.the bulge
On opposite ends of a single shaft of a turboblower are...
单项选择题On opposite ends of a single shaft of a turboblower are a gas driven （）and a air compressor, which are sealed each other.
A.charge air receiver B.scavenging air belt C.turbine D.air cooler
On a four-stroke diesel engine, when the piston is driv...
单项选择题On a four-stroke diesel engine, when the piston is driven downwards by the expanding gas, it delivers power to the crankshaft through the （）.
A.thrust block B.sounding rod C.connecting rod D.push rod
