[中医英汉词典] polar bond

[农牧林英汉词典] polar bond

[英汉化学名词] polar bond

[化学英汉词典] polar bond

[英汉地理大词典] polar bond

[地质英汉词典] polar bond

[英汉物理大词典] polar bond

[电信英汉词典] polar bond

[纺织英汉词典] polar bond

[航空英汉词典] polar bond

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