影响印制板表面电阻的因素包括印制板材料、有无涂层(例如防焊漆或保形涂层)，以及电路板的清洁。
Factors that affect the surface resistance of the board include the board material, the presence of coatings such as solder masking or conformal coatings, and board cleanliness.
广保水调节范围-可以选择高水保留或良好的涂层结构。
Widely water retention adjustment range - can select high water retention or good coating layer structure.
广保水调节范围-可以选择高水保留或良好的涂层结构。
Widely water retention adjustment range - can select high water retention or good coating layer structure.
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