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玉组词
更新时间: 2021-04-12 16:48:58  

1、碧玉

造句:区内的含矿岩石?硅质岩主要由三种硅质成分构成,第一种为显脱玻?霏细结构的碧玉质硅质岩,第二种为微晶石英岩,第三种为石英颗粒内碎屑。

解释:含铁的石英石,红色、褐色或深绿色,质地致密,不透明,用做装饰品。

2、刚玉

造句:由我们公司实用新型专利技术分别获得《刚玉烟尘萃取粉体矿物外加剂及合成钾肥生产》的粉体矿物外加剂铝硅复合超细粉。

解释:刚石。

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