The tractor and Radio controltransmitter that allows the operator to control its movements.
拖拉机和无线电控制发射机，让营办商控制其运动。
2
The remote controltransmitter is internally provided with a steering circuit which controls a light switch.
所述遥控发射器内设有用于控制照明开关的控制电路。
3
The lens of the projector can be covered or uncovered as long as the wireless remote controltransmitter of the invention is simply operated, and the operation is very convenient and easy.