该类系统的普遍缺陷就是没有真实空气流量的实际返馈。

The general defect of this type of system is that there is no actual feedback of the true air flow.

youdao

该类系统的普遍缺陷就是没有真实空气流量的实际返馈。

The general defect of this type of system is that there is no actual feedback of the true air flow.

youdao