Warning: file_put_contents(): Only 0 of 8285 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu.com/index.php on line 58 idle wheel例句_idle wheel英汉例句_idle wheel双解例句_英語字典
The present invention also provides means vertical movement of the idler wheels as well as means for flexibly urging the idler wheels downwardly with respect to the base beam. 本發明還設有供惰輪垂直移動的裝置和可柔性地敺使惰輪相對於底梁下降的裝置。