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斜面鸡笼笼养母鸡产蛋后,因笼底的铁丝网倾斜,鸡蛋自动滚人盛蛋沟。如有传送带装置,则滚在传送带上立即送至另室贮存
anim.husb. roll-away nest
斜面鸡笼
tech. roll-away nest