试题与答案

影响高压无气喷涂涂膜质量的关键因素是涂料的流量,而其流量由()来决定。 A.喷嘴的大

题型:单项选择题

题目:

影响高压无气喷涂涂膜质量的关键因素是涂料的流量,而其流量由()来决定。

A.喷嘴的大小

B.喷幅的大小

C.喷嘴和涂料固体分的大小

D.喷嘴和高压泵的参数

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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When high school started, Sally and I became best friends. We shared many interests and quickly became very close.When high school ended, we both cried because we would enter different   1 in autumn
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Sally left. I knew she was not happy. I thought long about what had happened. I asked her many questions but she didn’t answer me. I   8  that she was jealous. She saw me with my new friends and was afraid that we no longer shared the same experiences. She saw that I could still enjoy myself    9  her and wished she could be a part of it.
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