Hydrogen can replace acetylene, gas, liquefied petroleum gases such as carbon, with high calorific value, flame concentration, zero pollution, high efficiency, energy saving and easy.
氢气可以取代乙炔、煤气、液化气等含碳气体，具有热值高、火焰集中、零污染，生产效率高，节能方便等优点。
Liquefied petroleum gases, such as propane and butane, have not been included as they are too numerous to mention.
由于它们数量众多，无法一一提及，液化石油气体，如丙烷和丁烷没有包括在这里。
The spherical tank is the storage of liquefied gases, and one of the commonly used pressure vessel, in the petroleum, chemical, metallurgical and city gas supply and so widely used.
球形储罐是储存各种气体和液化气体的常用压力容器之一，在石油、化工、冶金和城市燃气供应等方面得到广泛使用。
The spherical tank is the storage of liquefied gases, and one of the commonly used pressure vessel, in the petroleum, chemical, metallurgical and city gas supply and so widely used.
球形储罐是储存各种气体和液化气体的常用压力容器之一，在石油、化工、冶金和城市燃气供应等方面得到广泛使用。
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