求翻译：1-3（W4109-W4309）从机器尾部牵拉电机上方墙板的圆孔中穿过（机器前侧方向），分别把插头插到对应的Laser接收器上，从外往里的顺序为1,2,3。插头插好后把插头和线全都用扎带扎在事先装好的元宝座上。多余的线全部铺入墙板的走线槽，也用扎带扎好。是什么意思？

1-3 (w4109-w4309) across from the hole in the rear of the machine above the traction motor wallboard (the front side of the machine direction), respectively, to plug into the corresponding laser receiver on the order of the inside from the outside to a , 2, 3. Plug after plug and wire are all using

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1-3 (W4109-W4309) from the machine end traction motor above the circular holes through the wall plate (front side of the machine direction), respectively, to the corresponding plug on the Laser receiver, from outside to in order for 1,2,3. When you plug the plug and cord strap tie set in advance for

正在翻译，请等待...