Considering from safety and economy, the fire detonator is changed to non-electric blasting fuse detonator. The former is not safe and waste cost for using blasting fuse.

　
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  • 本文從安全及經(jīng)濟角度考慮,針對二次爆破一次點(diǎn)火的雷管數目較多經(jīng)常發(fā)生“超點(diǎn)”現象,利用導爆索又浪費成本的實(shí)際情況,將火雷管改為非電導爆雷管。
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