2) band broadening
条带加宽
5) wide strip skip-mining
宽条带跳采
1.
Analysis of influence of wide strip skip-mining on ground water;
宽条带跳采对地下水影响分析
6) size of pillar and mining
条带采留宽度
1.
Three principles and the new calculating method to determine the proper size of pillar and mining width have been presented.
给出了覆岩中波浪状下沉传播高度与条带采留宽度尺寸之间的关系和条带法开采地表下沉系数的表达式。
补充资料:宽条
1.宽大不苛刻的律条。
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