Presplitting
预裂法(岩石开挖的方法)
🗣️ 情景例句
and we'll take your dad with us.
带你爸爸也一起去。
Do you know the percentage of the damaged portion?
你们知道残损部分的百分比吗？
deprived of one of the greatest twentieth-century opportunities.
被剥夺了20世纪最优越的机会之一。