青城子多金属矿集区
Qingchengzi multi-metallogenic province
黔西北铅锌矿集区
the Ph Zn miner alization concentrated area in the
民营企业密集区
Enterprise-intensive area
煤层气富集区
coal bed methane(CBM) enrichment area
螺旋雨带密集区
the denseness of spiral rainband
庐江-枞阳矿集区
Lujiang-Zongyang ore concentrated area