展会时间:2013-04-09 至 2013-04-11
甘肃省位于黄河上游,地处西北内地,矿产资源储量丰富,素有 陇上煤都、西部油城之称,其中煤炭远景储量达3010亿吨,主要分部于兰州、窑街、武威、张掖、庆阳、 ...
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