n. 明矾 basic [cubic] alum 明矾石。 n. 〔口语〕校友(＝ alumnus 或 alumna)。
a double sulphate of aluminum and potassium that is used as an astringent (among other things)
a person who has received a degree from a school (high school or college or university) 同义词：alumnus, alumna, graduate, grad,
a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum 同义词：potassium alum, potash alum,
a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum 同义词：ammonia alum, ammonium alum,
Alum () is both a specific chemical compound and a class of chemical compounds. The specific compound is the hydrated potassium aluminium sulfate (potassium alum) with the formula KAl()2?12.
例句与用法
1.
Alum will settle turbid water . 明矾可以澄清浊水。
2.
An additional benefit resulting out of sodium hydroxide recovery is the decrease in consumption of alum at the treatment plant . 回收氢氧化钠的另一好处，是降低了处理厂的铝盐消耗量。
3.
Pral - 1hc alum chassis case 1 unit size , higher panel 铝机箱1 units size ,高面板
4.
Separation of iron alum slag on zinc hydrometallurgy process 湿法炼锌中矾渣的分离
5.
But chemical mordants such as alum are popular today 把它放在水和液体肥皂中一整夜。
6.
Bs vacuum plating over alum knob , round , mfg . of taiwan 台制bs铝真空电镀
7.
Add the alum slowly to the cup of hot water 给这杯热水添加缓慢的明矾。
8.
Pral - 2 - bs pre - amp alum chassis case 2 unit size 前级铝机箱2 unit size
9.
Pral - 1 - bs pre - amp alum chassis case 1 unit size 前级铝机箱1 unit size
10.
Pral - 2 - bg pre - amp alum chassis case 2 unit size 前级铝机箱2 unit size
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