电镀层比热浸层均匀，一般都较薄，从几个微米到几十微米不等。
Electric heat uniform coating, generally all baptized layer with thin, from a few microns to dozens of micron range.
X射线散射和衍射对于厚度为几个原子层到几十微米的薄膜材料是灵敏的。
X ray scattering and diffraction are sensitive to thin film materials that thickness is the several atomic layer to many tens micrometers.
挠性接头的关键部位要经过微米级精密加工，形成厚度仅几十微米的细颈。
Its key surfaces need the precision processing of micron level, and form the thin neck that is only tens of microns thickness.
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