短語詞組短語wool scouring waste water 洗毛污水wool -scouring water 洗毛污水bf gas scouring water 高爐煤氣洗滌水gas scouring water 煤氣洗滌水high strength scouring water 高濃度洗毛廢水maximum scouring water depth 最大沖刷水深water scouring 水流沖刷 返回 scouring water