短语词组短语acid -rain leaching 酸雨淋溶Acid -rain resistance coating 耐酸雨涂料evaluation method of acid -rain corrosion 酸雨侵蚀评价方法Acid Rain Program 酸雨计划;酸雨项目;酸雨控制计划simulated acid rain 模拟酸雨;模拟酸雨环境Acid Rain Pollution 酸雨污染 返回 acid rain