valve rotating device 气门旋转装置

rotating valve 回转阀 ; 转阀 ; 转动阀

valve rotating mechanism 气门旋转机构

rotating pilot valve 旋转滑阀

rotating valve gear 回转阀齿轮

rotating plug valve 旋塞阀

Rotating electromagnetic valve 旋转电磁阀

valve e rotating device 气门旋转装置

free-rotating valve 自由旋转阀

rotating g valve 回转阀