Cam-ground piston 椭圆形活塞 ; 卵形活塞

piston cam engine 凸轮活塞式发动机

cam-type axial piston motor 斜盘式轴向柱塞电动机

cam shaped piston 仿型加工活塞

Cam Piston Engine 凸轮活塞发动机

cam ground piston 偏磨活塞

cam-shaped piston 靠模加工活塞

cam and piston oil pump 凸轮活塞油泵

cam type axial piston pump 斜盘式轴向柱塞泵