initial blast
... 最初的 initial 初爆破 initial blast 初爆破 initial blast ...
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阐述了折叠爆破和定向爆破拆除鞍钢第二初轧厂办公楼和水塔的设计和施工。
The design and construction of fold and directional blastings for demolition of an office building and water tower in the Second Cogging mill of Anshan Steel and Iron Corp. are expounded.
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