The horizontal direction drilling technology is a new one in modern non-excavating construction.
水平定向钻进铺管技术是一种现代的非开挖施工新技术。
Some engineers think it would be no use drilling further in that direction.
一些工程师认为，再朝那个方向钻是没有用的。
Some engineers think it would be no use drilling further in that direction.
一些工程师认为，再朝那个方向钻是没有用的。
应用推荐