针对可控气氛发生炉炉气成分对热处理炉内碳势的影响，对吸热式可控气氛发生炉不同的原料气进行分析比较。
Based on the influence of the producing gas components made for the carbon content, the changing for the content of the atmosphere components is analyzed.
研究表明：分别以丙烷气和天然气为原料气制备吸热式可控气氛时，天然气要优于丙烷气。
The results showed the natural gas is better than propane while natural gas or propane is made for controllable atmosphere.
研究表明，分别以丙烷气和天然气为原料气制备吸热式可控气氛炉气时，天然气要优于丙烷气。
The results showed the natural gas is better than propane when natural gas or propane is used for controllable atmosphere.
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