经表面氧化层处理后，焊料表面粗糙度的降低引起低剪切速率下焊膏粘度的明显升高。

After surface oxide film treatment, the increase of viscosities at low shear rates results from the decrease of surface roughness on the surface of solder powders.

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经表面氧化层处理后，焊料表面粗糙度的降低引起低剪切速率下焊膏粘度的明显升高。

After surface oxide film treatment, the increase of viscosities at low shear rates results from the decrease of surface roughness on the surface of solder powders.

youdao