spring-loaded governor

希高... ... spring-loaded contactor 弹簧接触器 spring-loaded governor 弹簧调节器 spring-loaded overflow valve 弹簧溢流阀 ...

直角三角形_馆档网 ... "笋形弹簧"," spring,volute" "弹簧调速器"," spring-loaded governor" "撒布器"," sprinkler" ...