短語詞組短語brown n coal 褐煤earthy brown coal 土狀褐煤BROWN COAL BRIQUETTES 褐煤磚pyropissitic brown coal 蠟質(zhì)褐煤brown coal paste 褐煤漿brown coal shaping 褐煤成型brown coal boiler 褐煤鍋爐brown coal ash 褐煤粉煤炭Xianfeng brown coal 先鋒褐煤液化 返回 brown coal