concentration of available chlorine
concentration of available chlorine
有效氯浓度
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Its germicidal efficacy decreased with decreasing available chlorine concentration, shortening contact time or presence of organic substance.
其杀菌效果随有效氯浓度减少、作用时间缩短、有机物存在而下降。
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