... 陷井处理程序 trahandler 超深井 extradeep well 深井泵 artesian well pump; borehole pump; boreholepump; bottom pump; dee pump; deep w ...
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The new locating-leakage instrument is developed for locating leakage zone of deep well and extradeep well.
新型井下存储式测漏仪是为测定深井、超深井漏失层位置而研制的。
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