polyphosphate salt是什么意思 polyphosphate salt怎么读
polyphosphate salt的用法和样例
- The variations of the polyphosphate content of the microorganisms in the activated sludge mixed liquor were investigated with a new analytical method.
提出了活性污泥混合液中微生物内聚磷酸盐含量的测定方法。
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