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减少土壤耕作机具工作部件粘土,及降低摩擦力(占牵引阻力的40～60%),使之能够降低耕翻土壤的油耗,和明显地改善犁的碎土、覆盖和保墒等方面的耕作质量。为了克服犁的粘土,苏联设计了带塑
Reducing clay in working parts of soil tillage machines and reducing friction (40-60% of traction resistance) make it possible to reduce the fuel consumption of plowed soil and to significantly improve the quality of tillage, soil cover and soil moisture conservation . In order to overcome the plow of clay, the Soviet Union designed a plastic belt