煤气可用煤来制造。
大型高温蝶阀采用钢板焊接制造，主要用于高温介质的烟风道和煤气管道。
The use of large-scale high-temperature steel welding butterfly valve manufacturer, mainly for high-temperature medium duct smoke and gas pipelines.
如果特别指定，这些阀门可以采用下列合金钢制造，适用于蒸汽、水、油、油气、煤气和通用应用。
When specified, the valves are available in the alloys shown below which are suitable for steam, water, oil, oil vapor, gas and general services.
采用高新技术制造，耐高温，抗氧化，抗衰老，可用于电磁炉，煤气炉等炊具上！
The use of high-tech manufacturing, high temperature, anti-oxidation, anti-aging, can be used for induction cooker, gas cooker and other cooking utensils on!
本发明公开了一种利用电厂余热制造混合煤气的方法，首先将发电汽轮机排出的蒸汽经过热冷交换器把常温的空气加热；
The method of utilizing afterheat of power plant in producing mixed gas includes heating air in a heat exchanger with the steam the turbine exhausts;
全燃高炉煤气的高温高压锅炉是根据高炉煤气特性设计制造的一种电站锅炉，在结构和运行上具有一定的特点。
Highpressure and high temperature boiler of firing pure blast furnace gas has its own characters of construction and operation because of BFG special characters.
全燃高炉煤气的高温高压锅炉是根据高炉煤气特性设计制造的一种电站锅炉，在结构和运行上具有一定的特点。
Highpressure and high temperature boiler of firing pure blast furnace gas has its own characters of construction and operation because of BFG special characters.
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