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英语例句库

1.N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.

1.以苯胺和溴乙料,用四乙基氢铵作相转移,在常压下合成N,N二乙基苯胺。

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原声例句
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1.Acetic acid, the active ingredient in vinegar, and ammonium hydroxide are examples of this.

醋酸（醋性成）和氢就是这方面例子。机翻

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