“horizontal directional drilling”的概念、定义、翻译、参考文献-科学参考

单词	horizontal directional drilling
释义	horizontal directional drilling Encyclopedia 工学掘进机械释 horizontal directional drilling水平定向钻将一个可调向操控的钻头连接在钻杆组的端部，用于地下水平定向钻孔的机具。是在不开挖地表面条件下，铺设多种地下公用设施（管道、电缆等）的施工设备，广泛用于供水、电力、电信、天然气、煤气和石油等管线铺设施工中。
随便看	liquid paraffin wax liquid phase liquid phase catalytic reaction liquid-phase catalytic reaction liquid phase chemiluminescence liquid phase chemistry of formic acid liquid phase epitaxy liquid phase hydroprocessing liquid phase impregnation and pyrolysis liquid-phase microextraction liquid-phase oxidation liquid phase oxidation reduction method liquid phase plasma electrolytic impregnation liquid phase process liquid-phase reaction time liquid-phase sintering liquid plasma electrolytic technology liquid polymerization liquid preparations liquid production profile liquid production rate liquid propellant liquid-propellant rocket liquid propellant rocket engine liquid propellant rocket engine test

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