On the"safety first,prevention"construction principle,reasonably select blasting parameters,immediately insert PVC rigid plastic pipe after drilling hole,ensured the quality of charge,improved circulation footage,ensured the regular cycle of construction.
本着"安全第一,预防为主"的施工原则,合理地选取爆破参数,打眼后立即插入pvc硬质塑料管,保证了装药质量,提高了循环进尺,保证了工程施工的正规循环。
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