conditioner roll

Jan: Let's turn off the air conditioner and roll down the windows. the country air is so fresh and clean.

简：我们关掉冷气，把玻璃摇下来吧。乡下空气既新鲜又干净。

They put some good music on the car stereo, turn on the air conditioner, roll up the windows, and just drive.

打开车内的音响，放点音乐，开点空调，把窗玻璃摇上，就这样开着车。

Hydraulic AGC system is been made of main dynamic element, which include signal conditioner 、 servo amplifier 、 hydraulic servo valve 、 fluid cylinder 、 mill roll and primary detector, etc. These elements have high nonlinear feature, the system have inevitably high nonlinear.

液压AGC系统主要由信号调节器、伺服放大器、电液伺服阀、液压缸、轧机辊系和传感器等组成，其中的液压器件具有高度非线性特点，其系统必然也具有高度的非线性。