上传动板料冲压自动压力机
top drive sheet metal stamping automatic press
自力式压力调节阀
self-operated pressure regulator
Electric control valve
自力式自动开关阀
automatic self-generating valve
低温约热式量热计
low temperature adiabatic calorimeter
断热式热量计
adiabatic bomb calorimeter
非断热式热量计
non-adiabatic bomb calorimeter
IC卡热量自动收费系统
IC card automatic collection heat charge
半自动动力换档变速箱
semiautomatic power shift transmission
差动式自动同步电动机
synchro differential motor
差动式自动同步发电机
synchro differential generator