提出了两级驱动式结构,即通过粗动与微动相结合的驱动方式实现纳米级精度。
The structure is designed in two-grade actuating style, driven by combination of coarse driving and fine driving to achieve nanometer resolution.
加入黄油,用食物加工器或者是你的手指搓动它们,直到那混合物看起来像是粗面包屑。
Add the butter and using a food processor, or the tips of your fingers, rub together until the mixture resembles rough breadcrumbs.
推广并改进动筛跳汰使之在粗、重选中获得应用;钨细泥工艺的改进提高了钨细泥的回收率。
Improved jig sizing applied in roughing and gravity dressing, and improved tungsten fine deposit recovering technology enhance the recovery of tungsten fine deposit.
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