正确使用拖拉机油门，可有效地降低拖拉机油耗，同时也可以减少拖拉机各零部件磨损，延长发动机的使用寿命，现就如何正确使用拖拉机油门浅析如下。１　起动发动机时油门的正确使用一般情况下，气温在１５℃以上时，油门应控制在高于怠速油门为好；气温在１５℃以下时，起动开 Proper use of tractor accelerator, which can effectively reduce tractor fuel consumption, but also can reduce tractor parts wear and prolong the service life of the engine, now on how to properly use the tractor throttle as follows. 1 start the engine when the proper use of the throttle Under normal circumstances, the temperature above 15 ℃, the throttle should be controlled at a higher speed than the idle throttle is good; temperature below 15 ℃, the start to open