“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	China 7,000 Years: Silk China Academic Digital Associative Library China Academic Digital Library Alliance China Academic Journal (CD) China Academic Library and Information System China Academic Social Sciences and Humanities Library China Academic Symposium on Nuo Opera China Academy of Art China Academy of Art Theory China Academy of Building Research China Academy of Chinese Medical Sciences China Academy of Chinese Medical Sciences，CACMS China Academy of Civil Aviation Science and Technology China Academy of Engineering Physics China Academy of Launch Vehicle Technology China Academy of Railway Sciences China Academy of Safety Science and Technology China Academy of Space Technology China Accounting Standards Committee China Accreditation Test for Translators and Interpreters China Adult Education Association China advanced passive PWR 1400 China advanced research reactor China Aerospace Museum China Aerospace Science and Industry Corporation Limited

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。