在1963年，我们使用了内燃真空燃烧器的煤气加热系统。

In 1963, we evaluated an infrared vacuum combustion, gas heating system.

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工作内容主要是对房屋进行查验，包括房屋的加热系统、煤气管道、污水处理系统、窗户玻璃，甚至还包括房屋的空气质量等等。

Instead, as part of his job, he visits newly decorated apartments to inspect the heating systems, gas pipes, sewage systems, window glasses and even the air quality in rooms.

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另外，用直接蒸汽加热接触器以脱出酸性气体，并将酸性气体引入煤气系统，对于减缓腐蚀十分必要。

In addition, for corrosion reducing and retarding, it is necessary to use steam directly to heat contactor to remove acidic vapor and to lead acidic vapor into gas system.

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