周边切割爆破
peripheral incised blasting
爆破破坏分区
distinction of blasting crack zones
爆破破碎性能
explosion and crash property
爆破破岩
Blasting and fragmentation
Rock fragmentation by blasting
blasting rock-broken
k-等周边连通度
k-restricted edge connectivity
北京及周边地区
Beijing and its surrounding areas
Beijing and its peripheral areas
北京及周边输送影响
pollution in Beijing and from outside adjacent areas
北京及周边五大流域
Five basins in Beijing and its surrounding regions
成矿带深部及周边
The deep lying and circumjacent areas of metalloge