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提高钻 以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译 1 ?超前钻孔开凿开井法 ... drilled nozzle ==> 钻制喷管 drilled raise ==> 超前钻孔开凿开井法 drilling ==> 钻孔,钻进,钻探,肥料条施,条播,钻井 ...
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To raise wire-line drilling efficiency need to: 1. Select casing diameter and depth according to drilling depth, diameter, strata drilled and rock integrity, structure features, weathered layer depth; 提高绳索取心钻进效率要做到：一是根据孔深、钻孔孔径、钻孔所遇地层及其岩性的完整程度、构造特点、风化带发育深度等选择套管的直径及下入深度；
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