“研磨”造句
2024年06月28日 04:42:48
此硬度計的依據(jù)是礦物的相對
研磨能力.
This scale is based on the relative abrasiveness of minerals.
鉻鍍后常常是通過磨削及
研磨來達(dá)到尺寸.
Frequently chromium deposits are ground or lapped to size.
陶瓷元件是將仔細(xì)
研磨的材料經(jīng)過加壓和燒結(jié)制成.
Ceramic elements are made by pressing and sintering finely powdered material s.