vapour exhaust installation 蒸汽抽吸装置
The vapour exhaust of the caster chamber is an important item of ventilation requirements of continuous casting shop.
二冷空排蒸气是连铸车间通风的重要内容。
The second class absorption heat pump can get hot water or vapour using heat potential difference of middle temperature exhaust gas and lower temperature sink.
第二类热泵可利用中间温度的废热与低温热源之间的热势差，制取热量少但温度高于中温废热的热水或蒸汽。
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