国外大中型衣机发展趋势随着高新技术不断涌现，国外农业机械结构和性能都在不断地改进和提高。其主要产品的技术发展趋势大体表现为：拖拉机：更多的新技术如负荷传感液压操纵、金属陶瓷和纸质摩擦片、多档次负载换档变速箱、前置动力输出和前悬挂、侧悬挂、多点液压输出... The development trend of foreign large and medium-sized clothes machines continues to emerge with high and new technologies, and the structure and performance of foreign agricultural machinery are constantly improving and improving. The technical development trends of its main products are roughly represented by: Tractor: More new technologies such as load sensing hydraulic control, cermet and paper friction plates, multi-stage load shift transmission, front power output and front suspension, side Suspension, multi-point hydraulic output...