aerated foam mud drilling
aerated foam mud drilling
充气泡沫泥浆钻井
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The aerated foam mud fluids can used in negative drilling, and enlarge the life of drilling bits for its low density, and low sap pressure.
充气泡沫泥浆由于比重低，液柱压力低，实现了负压钻进，能大幅度提高机械钻进，延长钻头寿命。
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