“two step mining”的概念、定义、翻译、参考文献-科学参考

单词	two step mining
释义	two step mining Encyclopedia 工学回采工艺释 two step mining两步骤回采在回采过程中，将采区或矿块划分为矿房和矿柱，第一步骤回采矿房，第二步骤回采矿柱的回采方式。
随便看	book banning in the Qing Dynasty book-basking bookbinding bookbinding and layout bookblock processing book circulation modes book classification in store book club edition book club rights book collector Book Design Art Working Committee under the Publishers Association of China book direct sale book discount book dispatch book distribution book distribution agency book distribution major book distribution management book edition Booker Taliaferro Washington book excerpt BookExpo America book fair book gill book graph

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。