... 辅助通道 accessory channel 辅助通风 secondary ventilation 辅助通风机 auxiliary ventilator ...
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Secondary ventilation system 二次通风系统
Secondary ventilation fan 二次通风扇
secondary auxiliary building ventilation system 二回路辅助厂房通风系统
In addition to the planned primary and secondary ventilation corridors, other smaller corridors will also be added to the system.
王说，除了规划主要和次级通风廊外，这个系统还包括其他小一点儿的通风廊。
The object was implemented in a low energy construction method with controlled ventilation (displacement ventilation in the classrooms) including the design for a natural secondary ventilation system.
其目标是采取一个能够控制通风的低能耗施工方法（在教室进行通风），包括自然二次通风系统的设计。
The secondary outcomes were duration of mechanical ventilation, occurrence of complications and survival to discharge from hospital.
次要评估指标为机械通气时间、并发症发生率和存活出院的患儿数。
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