踏板开关 meaning in Chinese

foot pedal
pedal switch

Pneumatic pedal switches for starting and stopping . technical specifications for accident prevention
起动和止动气动踏板开关.事故预防技术规范
Electrical pedal switches for starting and stopping . technical specifications for accidents prevention
起动和止动电气踏板开关.事故预防技术规范
Pedal switches for starting and stopping . technical specifications for accident prevention . inspection and tests
起动和停止踏板开关.事故预防技术规范.检查和试验