短语词组短语Desalt t 除盐设备desalt effect 除盐效果seawater desalt 海水淡化desalt seawater 海水脱盐crude desalt 原油脱盐desalt law 脱盐规律desalt mechanism 脱盐机理desalt tank 脱盐罐desalt of crude oil 原油脱盐 返回 desalt