adj. crystallized
而一般再评监等级时,除了检验天然内含物以外,尚还有一些人为因素造成的瑕疵.a,銮晶纹〈Graining〉晶体结构异常使其出现线条般的纹理.若出现有色或反射性纹理则会使等级下降多倍.
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介绍了晶纹镀锡中重熔工序的操作要点和安全要求。
Operating hints and safety requirement of re melting in crystal pattern tin plating were introduced.
黄晶通常产于火成岩岩石纹。
用SEM观察到玻璃纤维的表面光滑、低析晶、断口质密度高、断口贝纹呈明显沟状。
It is observed by SEM that glass fiber has smooth surface, low crystallization, high density of fracture and shellfish veins of fracture obviously submits ditch form.
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