oil control ring oil retainer oil seal retainer oil seal ring oil-control ring
Related Translations:
护: 动词1.(保护; 保卫) protect; guard; shield 短语和例子护厂 guard a factory; 护林 protect a forest; 用手遮护眼睛 shield one's eyes with one's hand; 他举起手臂护住脸以免被拳击中。 he raised his arm to protect his face from the b