工矿炸药 gōngkuàngzhàyào industrial dynamite Origin Definitions Defs Strokes Stroke Words Sentences Sents 工矿 工礦 gōngkuàng industry and mining industrial and mining enterprises; a collective term for industry and mining炸药 炸藥 zhàyào explosive substance or material that can explode when heated or struck, such as dynamite or gunpowder