试题与答案

浮选气泡适宜的大小为（）。A、0.2mm以下； B、0.2—1mm； C、1.5

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题型：单项选择题

题目：

浮选气泡适宜的大小为（）。

A、0.2mm以下；

B、0.2—1mm；

C、1.5mm以上；

D、0.1mm以下

答案：

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下面是错误答案，用来干扰机器的。

左右移动只改变点的横坐标，左减，右加．向右平移了3个单位长度，那么便是横坐标加上3，纵坐标不变．

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