基本解释[土木建筑工程]供排气通风英汉例句双语例句The ventilation system consists of a supply and exhaust air unit with a counterflow heat exchanger which provides 85% heat recovery.通风通风系统包括一个送风单元，一个排风单元，与一个可回收85%热能的逆流式换热器。supply and exhaust ventilation更多例句词组短语短语supply and exhaust ventilation system 进风排风并用系统supply and exhaust ventilation更多词组专业释义土木建筑工程供排气通风