碳氢化合物：一种有机化合物(例如乙炔或丁烷)，只包含碳和氢两种物质，通常出现在石油、天然气、煤炭和沥青中。
Hydrocarbon: an organic compound (as acetylene or butane) containing only carbon and hydrogen and often occurring in petroleum, natural gas, coal, and bitumens.
这种钢具有高强度和良好的成形性，用于包含液化石油气、乙炔和其他高压气体的500 l内部能力不足的高压气体容器中。
This steel, which has high strength and good formability, is used in high-pressure gas container with less than a 500l inner capacity containing LPG, acetylene and other high-pressure gases.
目前存在将液化石油气掺入溶解乙炔牟利的情况，本文探讨对此如何鉴定的问题。
Currently, acetylene is mixed with liquefied petroleum gas to make profit. In this paper, the problem of how to identify them is discussed.
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