NO1: left and right speed control valve to suitably adjust the <br>NO2: left and right control valve is adjusted to high speed operation prohibition <br>NO3: correct operation of the device, so as to prevent accidents
NO1: Left and right control valve speed adjustment is suitable<br>NO2: Left and right control valves are prohibited from being adjusted to high speed<br>NO3: Properly operate the equipment to prevent accidents
No1: the speed of left and right control valves can be adjusted properly<br>NO2: the left and right control valves shall not be adjusted to high-speed operation<br>No3: operate the equipment correctly to avoid accidents<br>