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來源: Lucidus 於 2013-04-04 05:27:15 [檔案] [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次 (18312 bytes)

回答: How about 24/7 monitoring and charting? 由衝浪潛水員於 2013-04-04 00:36:37

Obviously 24/7 monitoring and charting, or even simpler methods is more effective for pollution control.

However, that will increase the costs.

Sometimes, a plant may simply passe tests by bribing EPA, due to the wide spread corrections in China, as you can imagine.

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