piston packing
短语词组
- piston rubber packing 活塞橡膠墊
- metallic piston rod packing 活塞環金屬填料
- piston ring packing detail 活塞環密封
- piston leather packing 活塞皮墊圈
- piston rod packing 活塞杆密封;活塞杆填料;拉杆磐根
- piston ring packing 活塞環密封
- liquid piston fibrous packing ring 液缸活塞纖維填料環
- metallic decoration piston rod packing 活塞杆金屬填密
- piston packing expander 皮碗彈簧圈 返回 piston packing