我国幅员辽阔,各地的自然条件千差万别。因此,农用机具特别是农田作业机具的选择,就更显得困难一些。我国农用机具的品种繁多,所适用的地区和作业条件都不尽相同,相同型号的机具,其性能指标和适用范围也有区别。下面介绍一些农用机具的选购原则,供大家参考。一、适用性原则在购机之前,要尽量多收集不同机具资料,以便进行初步比较。应 My country has a vast territory, with vastly different natural conditions. Therefore, the selection of farm machinery, especially farm work tools, is even more difficult. China’s agricultural machinery of a wide variety, the applicable areas and operating conditions are not the same, the same type of equipment, the performance index and the scope of application are also different. Here are some of the purchase of agricultural machinery principle, for your reference. First, the principle of applicability In the purchase before, we should try to collect more information on different machines in order to conduct a preliminary comparison. should