试验结果表明，车辆在坡道行驶过程中，虽然初次选择的挡位不一定能适应该坡道，但通过连续降挡或跳跃式降挡最终总能选择适合于该坡道的挡位。

• The ramp shift test on one heavy truck with AMT was done, and the test results showed that by dropping gear continuously or discontinuously, the proper gear could be found eventually when the vehicle was running on ramp, though the original gear might be improper.