Warning: file_put_contents(): Only 0 of 4916 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 potted component例句_potted component英汉例句_potted component双解例句_按摩法牛津词典
But this kind of breakdown often found the reason finally on the functional element, namely cylinder piston potted component serious attrition result. 而最终此类故障还是常在执行元件上找到原因，即油缸活塞密封元件严重磨损所致。