piston oil ring

短语词组

短語

• piston oil ring groove 活塞油環槽
• piston ring oil hole 活塞環油孔
• PISTON RING OIL 油環組郃
• slotted oil piston ring 開槽活塞油環
• flexible oil piston ring 撓性油環
• oil piston ring 活塞油環;油環
• flexline oil piston ring 撓曲線活塞刮油環
• cromflex oil piston ring 鋼制帶脹圈的活塞環
• conformable oil piston ring 活塞撓性油環
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