轮式拖拉机、农用运输车怎样学习桩考在桩考学习中，常用的有左中右三种基本方法，现将中间法的具体操作介绍如下：从起点开始，挂低速倒档，采用小油门（以不熄火为原则）倒车。紧靠两库中间线（靠的越紧越好，但不能压线）倒入甲库，当机车最后端逼近甲库底线时，摆正位... Wheeled tractors, agricultural vehicles how to study pile test In the pile test learning, commonly used in the left and right of the three basic methods, now the specific operation of the intermediate method are described below: Starting from the start, low speed reverse gear, the use of small throttle (Do not turn off principle) reversing. Close to the middle of the two banks (by the closer the better, but can not be pressure line) into a library, when the last end of the locomotive approach to the bottom of the library, put the bit ...