When the follower is on the base circle of the cam the pump plunger is at the () of its stroke.
时间:2019-04-13 17:24:28 关键词:on,base,circleWhen the follower is on the base circle of the cam, the pump plunger is at the () of its stroke.
A.top
B.middle
C.bottom
D.any of the above
答案解析
C
举一反三