软化水、除盐水，实际上就是蒸馏水吧。

多谢了，原来还以为是去离子水，但是去离子水的单词好像又不是这个

mineral是矿物，demiwater就是除掉矿物质的水？！猜想是去离子水？！
de-ionized water说的比较多吧？！等待别人的回答！

Demineralised water （脱矿物质水） 的简写
Demineralised water is water completely free (or almost) of dissolved minerals as a result of one of the following processes:
distillation
deionization
membrane filtration (reverse osmosis or nanofiltration)
electrodyalisis
or other technologies.
The amount of dissolved solids in water that has followed one of these processes could be as low as 1 mg/l and is in any case always less than 10 mg/l. The electrical conductivity is generally less than 2 mS/m and may be even lower (< 0,1 mS/cm).

[ Last edited by cata_turtle on 2007-8-5 at 21:58 ]，

去离子水的纯度要高于蒸馏水,要经过二次蒸馏,所以不是去离子水

原来金山词霸也可以查到的，我咋不先看看呢？