短语词组短语defogging duct 防水汽导管images defogging 图像去雾defogging equipment [航]除雾设备local defogging 局部去雾defogging air 除雾空气DF Defogging 去雾defogging blower 除雾吹风器defogging system 除雾系统windscreen defogging 风挡除雾 返回 defogging