单项选择题
The piston rings are manufactured with a diameter （） the bore of the cylinder.
A.larger than
B.smaller than
C.equal to
D.none of the above
点击查看答案&解析
相关考题
-
单项选择题
The piston ring grooves for a standard engine are （）
A.chromium-plate against wear
B.anti-corrosion treated
C.white metal lined against wear
D.flame hardened against wear -
单项选择题
The piston moving up and down keeps the crankshaft （）.
A.to revolve
B.revolved
C.revolving
D.to be revolved -
单项选择题
The piston moves up and down, thus causing the rotational movement of the（）
A.crankshaft
B.connecting rod
C.cross-head
D.main beating
