load oil meaning in English

压裂工作油；油井起流油
油井起流油

Internal combustion engines - piston rings - coil - spring - loaded oil control rings
内燃机活塞环螺旋撑簧油环
Internal combustion engines - piston rings - coil spring loaded oil control rings
内燃机.活塞环.螺旋弹簧定位的护油环
Internal combustion engines ; piston rings ; coil - spring - loaded oil control rings ; identical with iso 6626 : 1989
内燃机.活塞环.螺旋弹簧承载油控制环
Internal combustion engines - large diameter piston rings - part 8 : coil - spring - loaded oil control rings
内燃机.大直径活塞环.第8部分:盘簧加载油控环
Internal combustion engines - small diameter piston rings - part 12 : coil - spring - loaded oil control rings
内燃机.小直径活塞环.第12部分:盘簧加载油控环

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