趣英语 / “乙炔”造句

“乙炔”造句

不完全的燃烧和不适当的通风条件能导致乙炔的产生.
Incomplete combustion and improper draft conditions can cause ethylene formation.

已多次证实火焰中存在聚乙炔.
That polyacetylenes are present in flames has been demonstrated many times.

这种反应构成了制备芳基环丙基乙炔的有效方法.
This sequence constitutes an efficient method for preparing arylcyclopropylacetylenes.

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