凸轮总成 meaning in Chinese

cam set assembly
camsetassembly

Cam set assembly
凸轮总成
Using the centerline access bar , spin the check assembly from the 9 o ' clock position to the 12 o ' clock position , then ( without letting go of the access bar ) push the cam assembly slightly downstream so that the clapper is now parallel to the valve body
用中心线接近棒将止回阀总成从时钟指针9点的位置旋转到12点的位置，然后（不要松开接近棒）将凸轮总成稍微往下游推使得阀瓣与阀体平行。