7039彩票

<b>Ultrasonic cleaning machine maintenance</b>

Recently, some customers asked us how to use ultrasonic cleaning agents to be more efficient. In the process of communication, we found that many users dont know much about the maintenance knowledge of ultrasonic cleaning machines, which le...

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<b>Metal oil cleaning agent notes</b>

There are many manufacturers of metal cleaning agents, but different brands, the cleaning effect of their products will be very different。 When people choose, they often have no clue and do not know which one to choose。 Finally, I chose a u。。。

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<b>The difference between pickling and cleaning solution</b>

What are the differences between acid cleaners and environmental cleaners? Xiaobian today gives you the advantages and disadvantages of pickling and environmental cleaning from three aspects; First of all, from the point of view of metal co。。。

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<b>The difference between kerosene and hydrocarbon</b>

First, the difference between product source and composition Kerosene is a petroleum that is cut from the 110-330 C fraction through an atmospheric distillation column of a refinery。 The physical and chemical properties of the crude oil var。。。

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