四级英语单词 > 行业英语 > board and pillar method

board and pillar method

发布时间：

同义词

1)board and pillar method,房柱式开采法2)board and wall method,房柱式开采法3)bord and pillar method,房柱式开采法4)bord and wall method,房柱式开采法5)heading and stall method,房柱式开采法6)heading and stall system,房柱式开采法7)stall and breast method,房柱式开采法8)stoop and room,房柱式开采法9)stoop and room system,房柱式开采法10)room and pillar,房柱

英汉例句

Because Zhaokou mine of Jinling iron mine of Shandong make use of strata pressure controlling theory to do reasonable piding for declinate ore body room and pillar,the calculated recovery ratio η is up to 73 6% and maintaining the stability of mining field at the same time.

山东金岭铁矿召口分矿运用地压控制理论，对倾斜矿体房柱进行合理划分，计算回采率η达７３。

最新单词

词汇分类
高中词汇CET4词汇CET6词汇TOEFL词汇IELTS词汇GRE词汇考研词汇
首字母索引
ABCDEFGHIJKLMNOPQRSTUVWXYZ

本站部份资料来自网络或由网友提供，如有问题请速与我们联系，我们将立即处理！

版权所有©四级英语单词   网站地图 陇ICP备2023000160号-4

免责声明：本站非营利性站点，以方便网友为主，仅供学习。