agate mortar [轻] 玛瑙研钵 ; 玛瑙乳钵 ; 绿玛瑙研钵 ; 玛脑乳钵
agate mortar and pestle 玛瑙臼和杵
agate e mortar 玛瑙研钵
agate e mortar and pestle 玛瑙臼和杵
The finer fraction (2 mm) of the samples was finely powdered in an agate mortar.
微细粒级的样品(2毫米)在玛瑙研钵中呈细粉末状。
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