“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	plate motion model plate mounting machine plate movement plate overlap method plate overlapping plate products Plate program plate punching device plate resonance sound absorber plate rolling plate scale plate singeing plates of middle thickness plate streaking plate tectonics plate tectonic theory plate theory plate theory equation plate triple junction plate-type electrostatic separator plate-type steam distributing gear platfom of space photography Platform platform platform and rack

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。