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1.hitch clevis U形牵引钩2.hitch frame牵引架3.power lift自动起落机构4.seeg rate control排种量调节器5.grain box种子箱6.fluted(force)feed外槽轮排种器7.seeg(drill)tube输种管8.footboard站板9.wheel scraper地轮刮土板10.drag chain覆土链11.double—disk opener双圆盘式开沟器
1.hitch clevis U-shaped hook 2.hitch frame frame 3.power lift automatic landing gear 4.seeg rate control seed regulator 5.grain box seed box 6.fluted (force) feed 7.seeg (drill) tube seed tube 8.footboard station 9.wheel scraper floor scraper 10.drag chain cover chain 11.double-disk opener double disc opener