Measurement of steam loss in a steam heating system;
蒸汽供暖中蒸汽损耗量的测定
steam heating or hot water heating.
办公室和厂房供暖常采用蒸汽供暖或热水供暖。
Approach to the practicality of down feed and mid return steam heating system;
上供中回式蒸汽供暖系统的实用性探讨
