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[问] theatre
[问] various
[问] PEGGING
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[问] general
[问] 来源英语
[问] bothering
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福克斯词典 \

英汉例句

\ heptaldehyde的例句（heptaldehyde在句子中的用法）

heptaldehyde的例句（heptaldehyde在句子中的用法）

Aim Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials. 目的研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件.

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