全国最大的露天煤矿:山西平朔露天煤矿
http://bbs.yilongnews.com//mobcent//app/data/phiz/default/23.pnghttp://bbs.yilongnews.com//mobcent//app/data/phiz/default/23.pnghttp://bbs.yilongnews.com//mobcent//app/data/phiz/default/23.png孙老师好雅兴,
露天煤矿是国家的能源,也是宝库。
善行 发表于 2016-10-28 10:37 static/image/common/back.gif
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陈伦全。 发表于 2016-10-28 10:54 static/image/common/back.gif
孙老师好雅兴,
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