water quality preservation
英
美
水质保持
water quality preservation的用法和样例:
例句
Most lakes in Tibet are still in a pristine state, with the quality of water within the state's standards.
湖泊大多数仍处于原生状态,水质保持在国家标准之内。
water quality preservation的相关资料:
临近单词
water
water cooled
目录
查词历史
英 汉