They were pouring concrete into the pit.
他们正往坑里倒混凝土。
In this paper, designs for foundation pit drainage, concrete pouring as well as side wall form, etc in shaft well construction are discussed.
介绍了竖井施工中有关基坑排水、混凝土浇筑以及侧壁模板等设计问题。
In this paper, designs for foundation pit drainage, concrete pouring as well as side wall form, etc in shaft well construction are discussed.
介绍了竖井施工中有关基坑排水、混凝土浇筑以及侧壁模板等设计问题。
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