女郎鞭子一挥,虎兄便跳上一个大皮球,从撬板的这一端稳稳地滚到另一端。
The tiger jumped onto a big rubber ball and rolled from one side of the lever to the other as the woman waved the lash.
上向孔侧向崩矿爆炸应力波对采场项板的破坏比水平落矿爆炸应力波对采场顶板的破坏要小,从而使撬毛工作量减少了58.3%。
The destroy of the roof produced by stress wave of upward hole side blasting is less than that of the level hole blasting. The work of prizing flexible rock decreased by 58. 3%.
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