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英汉例句

\ catalpa的例句（catalpa在句子中的用法）

catalpa的例句（catalpa在句子中的用法）

The reaction of catalpa oil, tung oil and hydroxyl - terminated polybutadiene gives alkyd resin with quick - drying property. 利用梓油和桐油以及带端羟基的聚丁二烯(下文简称丁羟)合成了具有快干特征的醇酸树脂.
OBJECTIVE : To evaluate the influence of different technics on the contents of catalpa in rehmannia root. 目的: 探讨不同炮制方法对地黄中梓醇含量的影响.

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