相关单词近义词 bituminous coal 生煤, 沥青煤, 烟煤, 软煤..., coal 煤临近词softing, soft, soft ductile material, soft wall rock tunnel, soft and dreamy music, soft artificial light, soft distortion curve, soft internal control, soft wood distillation, Soft tissue simulation, soft soil base process, soft-start equipment 返回 soft coal