ignition circuit短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 点火线路 Application of the ignition circuit in V model for rock blasting in high way can improve the result of rock to be blasted, decrease the ration of the over specific size of block. 在高速公路石方爆破施工中,利用“ V”型微差接力网路,能有效地改善爆破效果,降低大块率,解决石方路基填料粒径偏大的问题。 dictall