酸液浓度和总铁含量应该在操作中每小时检查一次。
Acid strength and total iron shall be determined every hour during operation from outlets.
在无扰动条件下，污水初始浓度的不同对总磷的去除效果影响较大。
Under rest status, the sewerage concentration has great infection on the phosphorous removal effect.
在无扰动条件下，污水初始浓度的不同对总磷的去除效果影响较大。
Under rest status, the sewerage concentration has great infection on the phosphorous removal effect.
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