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... 浅管井 wellshallowcasedwell 管井滤水管 deep well screen 过滤器管井 strainer well ...
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In construction of deep geothermal water well under 1000m, accidents of filtering or sealing material plugging and casing or strainer breaking will happened rather often.
千米以上的深水地热井施工常会出现滤水材料或上水材料蓬堵及套管滤水管折断等事故。
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