1) pillar strength
矿柱强度
1.
Prudent engineering design requireS that if pillars are to perform as desired, both the pillar strength and the pillar stress must be determined.
本文介绍了为开发确定硬岩矿山矿柱强度新方法所取得的研究成果。
2.
Statistical and theoretical analyses indicate that the difference in pillar material and ore bed inclination must be taken into consideration when applying the pillar strength formula σ_P=σ_(P1)(C+D·w/h) in pillar design.
对实例的回归分析与理论分析表明,应用矿柱强度公式σ_p=σ_(p1)(C+D·w/h)时,须区别矿柱材料以及矿层倾角θ。
5) drill string limitation
钻柱强度
6) ore intensity
赋矿强度
补充资料：表光合强度(见光合强度)
表光合强度(见光合强度)
forecast of sowing or transplanting time
b iaoguanghe qiangdu表光合强度见光合强度
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条