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提出了各种安全保护装置的设计。当作业时遇到土壤中的障碍物时,这些装置用来保护园盘中耕机。一种是四个部件成铰接式的杆型机构,如遇障碍物时,可使
Various safety protection devices have been proposed. When working with obstacles in the soil, these devices are used to protect the cultivators in the garden. One is an articulated rod-type mechanism with four parts that can be used in case of obstacles.