butane的例句（butane在句子中的用法）

• Its main components include propane, butane and butylene. 主要成份是丙烷 、 丁烷、丁烯等.
• The butane conversion of catalyst aged in different pH has similar value. 在不同pH值老化的催化剂先驱体,经活化后对丁烷的转化率基本相同.
• Butane and butylenes has the same characteristic with propane and propylene. 丁烯与丁烷表现出与丙烯、丙烷相似的特性.
• The main component in 4 # solvent is liquefied butane. 四 号 溶剂主要成分为液化丁烷.
• ...replaceable butane gas cartridges. 可替换丁烷气贮气瓶