相关单词近義詞 bituminous coal 生煤, 瀝青煤, 菸煤, 軟煤..., coal 煤臨近詞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