Often in ac circuit by airdamping model time relay, it is to use the principle of air through orifices throttling to obtain delay action.
在交流电路中常采用空气阻尼型时间继电器，它是利用空气通过小孔节流的原理来获得延时动作的。
2
Early in the circuit often USES airdamping model time relay, it is to use the principle of air through orifices throttling to obtain delay action.
早期在交流电路中常采用空气阻尼型时间继电器，它是利用空气通过小孔节流的原理来获得延时动作的。
3
As airdamping directly determines the dynamic performance of MEMS, it is very important to estimate the airdamping effects on them in the design process.