“二烯”造句

在这些化合物里, 环戊二烯环只有4个氢.
In there compounds, the cyclopentadiene ring has only four hydrogens.

二烯基本分子结构是一良好的燃烧剂.
The polydiene basic molecular structure is an excellent fuel.

所加的反应物可以是二烯烃 、 环二烯烃.
The feed reactants can be alkadienes, cycloalkadienes.

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