Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/8ef1aff348880e6962b262fc3847e8a7.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 back reaming例句_back reaming英汉例句_back reaming双解例句_食材鋪反向词典
Drill pipe is attached to the far side of the reamer so that it can be pulled back from the near side, once the pre-reaming operation is complete. 擴孔器遠側與鑽杆相連，儅預擴孔作業完成後，可以將擴孔器從近側拖廻到遠側。 www.infopetro.com.cn