常見例句雙語(yǔ)例句But this kind of breakdown often found the reason finally on the functional element, namely cylinder piston potted component serious attrition result.而最終此類故障還是常在執(zhí)行元件上找到原因，即油缸活塞密封元件嚴(yán)重磨損所致。 返回 potted component