活性剂在水溶液中能电离出起活性作用的阴离子的，称阴离子型表面_爱下问搜题

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问题判断题

活性剂在水溶液中能电离出起活性作用的阴离子的，称阴离子型表面活性剂。

答案

参考答案：对

阅读理解

阅读短文，回答下列问题。

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填空题

汽轮机惰走转速至零，应迅速投进（）。