“乙炔”用英语怎么说？

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...

“乙炔”的拼音为：yǐ quē...