HANDEDICT汉德词典
HanDeDict 汉德词典
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丁炔二酸二甲酯•丁炔二酸二甲酯dīng guì èr suān èr jiǎ zhǐ
1 Acetylendicarbonsäuredimethylester, Dimethylacetylendicarboxylat (S, Chem)
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