Warning: file_put_contents(/www/wwwroot/ppbbu/52065.com/cache/63aa666bcffa2df6d0a36fbaec3560db.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/52065.com/index.php on line 55 boring taper例句_boring taper英汉例句_boring taper双解例句_伍贰汉英词典
Suitable corrective measures must be taken to remove these obstructions, such as taper boring the pipe or installing a spacer. 必须采取适当的矫正措施来消除这些障碍物，例如对管道镗圆锥形孔或 安装间隔 垫 片。