合速度 meaning in Chinese

combined speed
mixed speed
resultant velocity
sum velocity

The breaking and closing of main loop and grounding ioop aer realized by operating device . the speed is determined by the spring , with no regrad to handling speed . the remote inducting and control are available if equipped with automatic instrument
由独立于开关的手动或电动操动机机构进行主回路，接地回路的分合和开断，开关的分合速度由弹簧决定，与手动速度无关，在加装自动化仪表后，可实现遥感和遥控。