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

单词	horizontal directional drilling machine
释义	horizontal directional drilling machine Encyclopedia 工学掘进机械释 horizontal directional drilling machine水平定向钻机在不开挖地表面的条件下，铺设多种地下公用设施（管道、电缆等）的一种施工机械。
随便看	edge automorphism group edge bridging group edge channel edge chromatic number edge coloration edge color critical graph edge-color-critical graph edge coloring edge community edge computing edge-connected graph edge connectivity edge connector edge contraction edge cover edge covering edge covering number edge curvature edge cut edge cutset edged edge damping edge deleted subgraph edge-deleted subgraph edge deletion

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。