... dug down 掏腰包 dug well 挖井 ; 掘井 dug pit 手掘井筒 ...
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短语
掘井九轫，必得其水
“You will surely see water coming out if you really dig deep enough”.
挖掘井
dig a well
不临渴而掘井
Dug wells
超前小井掘井法
pilot shaft sinking
钻井法掘井
boring shaft sinking
掘井机
well sinking machine
掘井工人
sinker
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