YOUQINGTISHI：

   污水處理設備設計中必須要用到水質參數，所以有時候我們會要求客戶先給我們寄來水樣。

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   ZHEBUZUIJIN，WOMENGONGSIDEKEHUHENBAQIDEJILAILE100JINDESHUI。BUGUOOUMIJIAZHEMEDUOSHUIZHIYONGDAOLE1XIAOPING，ZONGJIBANJINSHUIZUOYOU。ZUOLEXIAOSHI，BINGCESHILECHULESHUIDEBOD,COD,ANDAN，FEN，BENSHUZHI。SHENGXIADESHUIZHINENGRENGLE。