... cutting-out plane line 破裂线 cutting-out pre 切断压力机 governing by cutting out nozzle 喷嘴调节 ...
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cutting-out pre
切断前
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Under complicated conditions, a building was partially demolished through controlled blasting. Mechanical pre-cutting was carried out before the building was collapsed by folding directional blasting.
在复杂环境条件下对一楼房进行保护性部分爆破拆除，采用机械预切割、折叠定向爆破倒塌的控制拆除方案。
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