piston packing ring
短語詞組
- liquid piston fibrous packing ring 液缸活塞纖維填料環(huán)
- equalizing piston packing ring 平衡活塞密封圈
- piston ring packing detail 活塞環(huán)密封
- piston ring packing 活塞環(huán)密封
- split -ring piston packing [機]開環(huán)式活塞脹圈 返回 piston packing ring