01h0113915;155123·2313;RMB9.00;20160530d2015 em y0chiy0121 ea;chi;CN;y z 000yy;r;采煤工作面固体抛投式充填方法 = = Throwing-type backfilling technology with solid materials in working face specifications;1;北京;中国电力出版社;2015.4;5页;30cm;中华人民共和国能源行业标准;aT-652.2;v4;CN;010001;010001;rCNY9.00 ; h1