“井下服务钻孔”的概念、定义、翻译、参考文献-科学参考

单词	井下服务钻孔
释义	井下服务钻孔 Encyclopedia 工学矿山井巷释 underground service drilling hole井下服务钻孔用于地下采矿的充填、排水、泄水、供水、供风或布置电缆等所需的钻孔。
随便看	ordered pair ordered pair representation ordered partition ordered perception ordered phase ordered plane ordered point defect ordered polynomial ordered principal minor ordered product ordered projective line ordered projective plane ordered quadruplet ordered quasi-field ordered reading official document ordered ring ordered sample ordered sample cluster analysis ordered sample clustering ordered semigroup ordered sequence ordered set ordered set with gaps ordered set without gaps ordered simplex

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。