... nonmetallic inclusion非金属杂质 nonmetallic luster非金属光泽 nonmetallic material非金属材料 ...
基于300个网页-相关网页
非金属光泽 non metallic luster; non-metallic matter; nonmetallic lustre
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nonmetallic luster
non metallic luster
non-metallic luster
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nonmetallic luster
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