单项选择题
A.split pins B.crankpins C.dipsticks D.circlips
A governor automatically controls engine speed by regul...
单项选择题A governor automatically controls engine speed by regulating （）.
A.fuel supply B.firing order C.engine load D.oil level
A distance piece, with ground faces, may be interposed ...
单项选择题A distance piece, with ground faces, may be interposed between the rod and the bearing housing, its thickness being chosen to ensure the correct （）.
A.expansion ratio B.pressure ratio C.compression ratio D.clearance ratio
A distance piece, with ground faces, known as a compres...
单项选择题A distance piece, with ground faces, known as a compression plate, may be interposed between the rod and the beating housing, its thickness being chosen to ensure the correct （）.
A.compression pressure B.compression test C.compression ratio D.compression clearance
