The blast temperature is low in the first iron mill of jinan Iron and Steel Group Co… It becomes bottleneck of conditioning technique and economic target to elevate the blast furnace.

济南钢铁集团总公司第一炼铁厂热风炉风温较低，成为制约高炉技术经济指标提高的瓶颈。

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The rotary adjusting, personalized air conditioning air blast end device belongs to the heat air conditioning field.

一种旋转调节型个性化空调送风末端装置，属于暖通空调技术领域。

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In the blast-oven heat that stifled much of the nation in recent days, the absence of air conditioning felt anguishing.

CNN: Heat wave lesson: We take comfort for granted