找找看附近有没有不用漂白粉的游泳池，我们去的那个用臭氧。

Ozone and ultraviolet are the two most commonly used alternatives to chlorine in swimming pools ... and, gaining popularity.

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• 谢谢扫盲，不过这个有点难度，我们是入的club的会员，不想浪费呀。 -不成器- ♀ (0 bytes) () 06/29/2009 postreply 23:33:08