Some desalination plants exist where feasible, but they are costly to run and can need constant repair.
在可行的地方有一些海水淡化厂,但它们的运营成本很高,并且需要经常维修。
Existing desalination plants do this in one of two ways.
现在的海水淡化工厂有两种办法使海水脱盐。
Existing desalination plants work in one of two ways.
现有的海水淡化设备工作原理有两种。
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