翻译成中文:It is used to lift sections of pipe,which are lowered into the hole made by the drill.

翻译成中文:It is used to lift sections of pipe,which are lowered into the hole made by the drill.
英语人气:471 ℃时间:2020-04-24 16:15:58
优质解答
它被用来举起进入被钻孔机挖的洞之内被降低的管的区段.
我来回答
类似推荐
请使用1024x768 IE6.0或更高版本浏览器浏览本站点,以保证最佳阅读效果。本页提供作业小助手,一起搜作业以及作业好帮手最新版!
版权所有 CopyRight © 2012-2024 作业小助手 All Rights Reserved. 手机版