HOLD the SALT: This desalination plant in Tampa, Fla., is the biggest reverse-osmosis facility in the U.S. Image: Tampa Bay water.

留住盐分：加利福尼亚的坦帕，美国最大的反渗透海水淡化厂。

youdao

HOLD the SALT: This desalination plant in Tampa, Fla., is the biggest reverse-osmosis facility in the U.S. Image: Tampa Bay water.

留住盐分：加利福尼亚的坦帕，美国最大的反渗透海水淡化厂。

youdao