The system will also be able to detect various other bad smells - such as from animals and factories - and will automatically switch the ventilation on if required.
该系统还有探测各种来自动物或工厂不良气味的功能，并且能够按照需要自动打开换气装置。
Method The automatic ventilation and gas exchange system consisted of 2 electronic modulators, alternating current contactor, 1 switch, 1 oxygen meter and some seamless steel tubes.
方法自动通风换气系统由2个电动调节阀、1个交流接触器、1个开关、1台测氧仪、少量无缝钢管组成。
The ventilation fan switch on the button panel does not work here.
掣板上的抽风机开关掣在这里并不能运作。
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