[] a pipe, device, etc. which supplies a machine with sth （机器的）进料装置，进料器◆The printer has an automatic paper feed. 这台打印机有自动进纸装置。
[, ]material supplied to a machine （机器的）进料◆a feed pipe 进料管
[] () television programmes that are sent from a central station to other stations in a network; the system of sending out these programmes （从中心台发射到其他台的）电视节目；（电视中心台）网络供给节目系统