digging piles in water 水中挖孔桩
digging well to get water 打井取水
deep water manual digging pile 深水人工挖孔灌注桩
挖到深处,我们找到了水。
Some digging around in historical records revealed that there was a change in the incidence of water-borne disease at that time, especially dysentery.
一些历史记录显示,当时水源性疾病的发病率发生了变化,尤其是痢疾。
Clean water can be drawn for up to several months after the rains have fallen through pipes underneath the DAMS or by digging a hole in the sand.
通过砂坝底下建造地下管道或者在沙中开挖蓄水洞,便可以在雨后连续几个月内抽取这些自然净化过的水。
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