在检验前是否测试防焊的粘性以确保品质？

Is the viscosity of the solder mask after preparation checked to ensure the quality?

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电弧焊的焊条是由焊芯和药皮两个部分组成的。

Electrode for arc welding consists of the core and the coat.

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采用喷流焊的方法拆除这些通孔元件可以避免这些问题。

Using the method of jet welding dismantling these through-hole components to avoid these problems.

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