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城市建筑物拆除爆破风险大，必须控制风险。
The demolition blasting of building site has very big risk, must control it.
youdao
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针对薄壁筒形建筑物的爆破拆除，研究爆破切口参数。
Blasting cutting of circular construction with thin wall is studied.
youdao
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针对薄壁筒形建筑物的爆破拆除，研究爆破切口参数。
Blasting cutting of circular construction with thin wall is studied.
youdao