半自动动力换档变速箱
semiautomatic power shift transmission
变速驱动动力分导装置
power take-off shifting lever
层序成因动力学
sequence genesis dynamics
传动动力开关模件
transfer power switching module
弹簧制动致动器推杆
spring brake actuator pushrod
电动气动致动器
electropneumatic actuator
动力力学特性
characteristic of dynamics