open test pit的意思|示意
探井
open test pit的网络常见释义
探井 ... open-pit blaster 露天采矿爆破员 open test pit 探井 open-pit driller 露天采矿钻探工 ...
探坑 ... 探坑 open test pit; test boring; ... 探坑 open test pit; test boring; trial boring 钻探坑 bore pit ...
open test pit相关例句
An experimental test of bench mining in the high and dangerous slope of a certain open-pit mine was made.
在某露天矿山的高危边坡上进行了台阶采矿的试验研究。
According to the test in Nanfan Open Pit, shows the method is available, the absorbing shock rate of this method reachs 68%, the bursting range of back shock reduces 78%.
通过在南芬露天铁矿的应用，表明该方法是行之有效的，降震率为68%，后冲破裂范围减少78%。