The directional and a certain distance control blasting removal nearby was introduced, the pipeline of chemical property.
结合实例，介绍了在易燃易爆的化工物料管线附近的六层厂楼的定向、定距控爆拆除。
The directional and a certain distance control blasting removal nearby was introduced, the pipeline of chemical property.
结合实例，介绍了在易燃易爆的化工物料管线附近的六层厂楼的定向、定距控爆拆除。
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