transmission gear arrangement
transmission gear
传动齿轮
变速箱齿轮
传动装置
传动
传动箱齿轮
变速箱
变速齿轮
传动机构
变速杆
速速齿轮
Transmission gate chain
transmission GaN photocathode
transmission gear efficiency of shafting
transmission GaAs photocathode
Transmission function curves