片语

partial pillar extraction部分支柱提取

shaft pillar extraction井筒煤柱开采

pillar extraction methods支柱提取方法

bottom pillar extraction底柱回采

Three pillar extraction panels三大支柱提取板

The mine commenced pillar extraction该矿展开支柱提取

Ore pillar extraction矿柱回采

pillar extraction drilling煤柱回采鉆眼

cap pillar extraction顶柱回采

英汉例句

• a long-term practice has proved that the pillar extraction method is suitable not only for the recovery of orebody no. 8 in this mine but also achieves better economic effects.

  经过多年的生产实践证明，此种矿柱回采方案对东桐峪金矿8号脉矿柱的回采是适宜的，并且收到了较好的经济效益。

• the pillar extraction practice has proved the correctness of the test results of similarity model.

  矿柱回采的实践证明了相似材料模型试验结果是正确的。

• the stooping safely and pillar extraction is an emerging problem for our metal mine and directly influences the sustainable development of mine and the safety of personnel.

  矿柱回采及空区处理是我国金属矿山面临的紧迫问题，直接关系到矿山的可持续发展与人员的安全问题。

• practical experiences with shrinkage mining method for pillar extraction over the pust ten years were summarized.

  从我矿资源和矿柱回采实际情况出发，总结了近十几年来用留矿法回采底柱的实践经验。

• the accurate awareness of actual pillar boundary is the basis for the blast design for pillar extraction and is also one of the effective ways to improve the mine economic benefit.

  準确掌握矿柱实际边界是矿柱回采爆破设计的基础，也是提高矿山经济效益的有效途径之一。