spring stop
弹簧支承的挡板 spring-loaded apron
切割下的禾秆再被星轮齿压向挡板，在输送齿和上下压力弹簧的作用下，禾秆呈直立状态作横向输送运动。
The cutting straw is pressed to the baffle by the star wheel again. Under the action of the feeding gear and the pressure spring, the erect straws make the motion of transverse feeding.
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模块上移
模块下移
不移动