nonhands self-feeder非手自食器
self-oil feeder自动加油器;自动给油器;自动供油装置
self-oiling feeder[机] 自动加油设备
bin-type self-feeder[畜牧] 料斗式自动饲槽
self-synchronization vibration feeder自同步振动给料机
self-feedback heavy hammer balance feeder自反馈重锤平衡式加料器
N（名词） any machine or device capable of automatically supplying materials when and where they are needed, esp one for making measured quantities of food constantly available to farm livestock 自动添料器