Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/d6ec13ca37c56c8e2c6a6efeb281805f.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 idle wheel例句_idle wheel英汉例句_idle wheel双解例句_按摩法牛津词典
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. 本发明还设有供惰轮垂直移动的装置和可柔性地驱使惰轮相对于底梁下降的装置。