water quality exchanges

• 水量交换

water quality exchanges的用法和样例：

例句

1. The water transportation by the circumpolar current at the Passage reflects the exchange volume between the Pacific and Atlantic.
   而德里克海峡绕极流的体积输运则代表了太平洋和大西洋两大洋之间通过德里克海峡的水量交换。