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covalent    
a. 共有原子价的,共价的

共有原子价的,共价的


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covalent查看　covalent　在百度字典中的解释百度英翻中〔查看〕
covalent查看　covalent　在Google字典中的解释Google英翻中〔查看〕
covalent查看　covalent　在Yahoo字典中的解释Yahoo英翻中〔查看〕

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