采煤工作面 cǎiméigōngzuòmiàn coalface Origin Definitions Defs Strokes Stroke Words Sentences Sents 采煤 採煤 cǎiméi to mine coal to extract coal from a coal seam工作面 gōngzuòmiàn working face The location where minerals are mined or rocks are stripped, which moves as work progresses; also called a 掌子面 zhǎngzimiàn.