self-acting feed自动走刀;自动进料;自动进给;自动鍡料
self-feed trailer自饲车
self-conveyor feed螺旋加料器
self-sufficing feed自给饲料
self-feed silo自饲青贮堆
self-feed conveyer自装料输送机
self-feed back内反馈;自反馈
self-feed silage自食青贮
self-feed pressure自供给压力