... 称量瓶weighing glrear end研磨钵clear glrear end mortar 研磨棒clear glrear end pestle 玛瑙研钵agingested mortar ...
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无须使用车床就可以研磨棒材表面的操作。
An operation whereby the surface of a bar is ground without using a lathe.
主要结果和结论：设计制造出速滑刀金属研磨平板、勾刃冰刀金属研磨棒。
Metal grinding flatbed for speed skate blade and metal grinding rod for figure skate blade were designed and developed.
玻璃棒研磨能够提高蛋白质的浓度；
Glass rod grinding can improve the concentration of protein;
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