英语语法分析

The effect of prechlorination on powdered activated carbon for removing odor is investigated by pilot tests.

通过中试试验研究了预氯化对粉末活性炭除嗅的影响。

The coagulation aid of prechlorination is dependent on raw water quality, and its coagulation aid is more obvious in the algae development period.

预氯化的助凝作用与原水水质有关，在藻类高发期其助凝作用较明显。