“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	distributed decision support system, DDSS distributed delay distributed denial of service distributed denial of service attack distributed denial of service, DDoS distributed directory distributed electric resource distributed electronic jamming distributed energy resource distributed energy system distributed energy system based on combined cycle distributed expert system distributed feedback laser distributed-feedback laser distributed-feedback laser, DFB laser distributed feedback resonator distributed fiber optic strain meter distributed file system distributed flight control system distributed force distributed foundation wireless medium access control distributed foundation wireless medium access control, DFWMAC distributed fusion distributed geographic spatial big data mining distributed gradient descent method

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