亚洲一区欧美在线,日韩欧美视频免费观看,色戒的三场床戏分别是在几段,欧美日韩国产在线人成

In order to lift severely lodging sugarcane in harvesting, the combined-lifter composed of spiral roller and chainlifter was designed, which was experimented on the vehicle of soil. The orthogonal experiments were conducted to study the following factors: the state, rotational speed of spiral roller, distance between sugarcane and spiral roller center and advancing velocity. According to the best combination of orthogonal test, the single experiments were conducted to study the following factors: the angle between the cylinder axis and ground, the blade pitch of helical spiral roller and rotational speed of spiral roller. The double experiments were conducted with the rotational speed and advancing velocity. High-speed photography experiments were conducted to analyze the process of lifting. In the optimal parameters, the results showed that eligible rate of lifting was up to 90% by the combined-lifter.