短语词组短语feed conveyor trough 自动饲槽;自动送料饲槽filter feed -trough 过滤器加料槽feed conveyer trough 自动送料食槽filter clogging feed trough 过滤机给料槽feed at the public trough 翻译feed t the public trough 拿干薪 返回 feed trough