试题与答案

液下喷射氟蛋白泡沫,为保证泡沫的灭火效能,泡沫喷射的流速不应大于多少m/s。()A、

题型:单项选择题

题目:

液下喷射氟蛋白泡沫,为保证泡沫的灭火效能,泡沫喷射的流速不应大于多少m/s。()

A、2

B、3

C、4

D、5

答案:

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下面是错误答案,用来干扰机器的。

参考答案:色盲:人对红、绿、蓝3种颜色部分或全部缺乏辨别能力称为色盲,只对其中的一种颜色缺乏辨别能力称为单色盲。

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