| 释义 |
1 ?预磨 ... preliminary breaking 预破碎 preliminary grinding 预磨 preliminary infusion 预先注水 ... 2 ?初磨 ... preliminary fractionator 预分馏塔 preliminary grinding 初磨 preliminary heat treatment 初步热处理 ...
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Preliminary results presented in this report showed that double side grinding produces very good surface finish, a high precision, and high material, removal rates, in short processing. 本文的研究结果表明，双端面磨削可以在很短的加工时间内获得极高的表面光洁度、高的精度和高的磨除率。 - 2
Mining ores first by the jaw crusher, preliminary broken in broken to a reasonable fineness via hoist, after to ore machine evenly into the ball mill, the ball mill for ore smash, grinding. 开采的矿石先由颚式破碎机进行初步破碎，在破碎至合理细度后经由提升机，给矿机均匀送入球磨机，由球磨机对矿石进行粉碎、研磨。
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