Its key surfaces need the precision processing of micron level, and form the thin neck that is only tens of microns thickness.
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.
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。
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