furnace gas

基本解释

Reformation of nitrogen seal of blast furnace gas compressor is introduced.
介绍了高炉煤气压缩机采用氮气密封的改造。
suxuewang.com
Most of wood drying kilns in China are steam drying and furnace gas drying.
我国的木材加工企业绝大多数使用的是蒸汽干燥和炉气干燥。
Once credit is made for 30% loss in the poor blast furnace gas, its energy efficiency is high.
如果能保证贫高炉气的损失不超过30%，那么它的能效就算是高的。
cfl.cqupt.edu.cn

For example, a gas furnace must have at least a 95% efficiency rating to qualify for the credit.
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And with all that money saved by the superefficient gas furnace in your basement, you fly to Aspen for a weekend in the snow.
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