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(1)适应性。①所选机具型式和性能必须满足农艺对作业质量的要求;②机型机械尺寸和联结方式要满足当地的地块和动力配套要求。 (2)生产性。指机具的生产效率,一般表现为功率、速度、生产率和利用率等技术参数。应该根据生产单位的经营规模和生产任务来选择,并应考虑动力机械与作业机械的配套性,以充分发挥机具性能和提高利用率。
(1) Adaptability. ① The type and performance of the chosen machine must meet the requirements of agricultural work quality; ② The machine size and connection mode should meet the requirements of local land and power supply. (2) Productivity. Refers to the production of machine efficiency, the general performance of the power, speed, productivity and utilization of technical parameters. Should be based on the scale of production units and production tasks to choose, and should consider the supporting power machinery and operating machinery to give full play to machine performance and improve utilization.