梯段 meaning in English

bench blasting
bench shooting
stair flight
stair horse

Bench blasting is the most usual type of blasting work .
梯段爆破是最常用的爆破工程之一。
The basic charge calculations have been concentrated round bench blasting .
装药计算的重点主要放在梯段爆破上。
Stopping can very well be compared with bench blasting but requires considerably larger charges .
崩落则十分相似于梯段爆破，只不过所需的装药量比较大一些。
When a normal bench round is fired the general result is for the centre of gravity of the round to be moved forward .
起爆普通梯段炮眼组时，一般的结果是炮眼组的重心前移。
Residential stair . prefabricated concrete flights
住宅楼梯.预制混凝土梯段

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