“the group ⅣA elements”的概念、定义、翻译、参考文献-科学参考

单词	the group ⅣA elements
释义	the group ⅣA elements Encyclopedia 理学第Ⅳ主族元素释 the group ⅣA elements第Ⅳ主族元素包括碳、硅、锗、锡、铅和𫓧六个元素。统称碳族元素。
随便看	flat foot flat form flat function flat function germ flat glass flat graph flathead grey mullet flat holomorphic mapping flat ideal flat interferometer flat knitting machine flat knitting machine head flat knitting shaped shoe materials flat knitting sweater flat lapping block flat lock stitch sewing machine flat loom flat manifold flat mapping flat metallic gasket flat metric flat module flat morphism flat muscle flatness

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