求翻译：该电气控制系统由操纵手柄来完成行驶方向。前后轮振动及起停振的选择。操纵手柄有零位、前进1、前进2、后退l、后退2五个位置。在零位时（S1、S2均不接通），行驶和振动系统均不工作；在前进1（S1接通）和后退1（S1接通）位置时，分别执行前进和后退行驶的静压工作；在前进2（S2接通）和后退2（S4接通）位置时，分别执行前进带后轮振动和后退带前轮振动的振动行驶工作。9Nf铁甲工程机械网-挖掘机网-工程机械网是什么意思？

The electrical control system consists of manipulating the handle to complete the driving direction. Front and rear vibration and starts and stops the vibration option. Joystick zero, forward 1, forward 2, back l The back two five position. At zero (s1, s2, are not connected), moving and vibration s

The electrical control system is operated by lever to complete driving directions. Both front and rear wheel suspension with shock and vibration. Lever has a zero bit, 1 forward, forward, back, back 25 position. When the zero 1, S S ( 2 ) are not connected to ground and vibrati