piston oil ring

短语词组

短语

• piston oil ring groove 活塞油环槽
• piston ring oil hole 活塞环油孔
• PISTON RING OIL 油环组合
• slotted oil piston ring 开槽活塞油环
• flexible oil piston ring 挠性油环
• oil piston ring 活塞油环;油环
• flexline oil piston ring 挠曲线活塞刮油环
• cromflex oil piston ring 钢制带胀圈的活塞环
• conformable oil piston ring 活塞挠性油环
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