methylene group

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英汉例句

• The carbide reacts with hydrogen on the surface to give a methylene.
  碳化物与氢在表面反应产生亚甲基。
• Kodak company describes open chain reactive methylene two-equivalent yellow-forming conplers.
  柯达叙述了一种直链的活性亚甲基两当量的黄成色剂。

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