在全国所有的工人中，可能烟煤矿工不满的理由最充分。
Of all the workers in the country bituminous miners probably had best grounds for discontent.
直到1916年，美国矿工联合会才终于得到无烟煤矿资方承认。
Not until 1916 did the UMW finally win recognition from the anthracite operators .
9月1日下午，山西晋城无烟煤矿业集团有限责任公司副总经理都新建一行来淮南矿业集团调研。
The afternoon of September 1, Shanxi Jincheng Anthracite Mining Group Co., Ltd. Deputy General Manager of both the new line to Huainan Mining Group research.
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