翻译成中文：It is used to lift sections of pipe,which are lowered into _英语解答

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

人气：339 ℃　时间：2020-04-24 16:15:58

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.

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