The factory has already phased out a batch of production equipment. 这家工厂已经淘汰了一批生产设备。
Production processes may be divided into unit production , with small quantities being made , and mass production , with large numbers of the same kind of parts being produced. 生产过程可分为小批生产，即少量生产，和大批生产，即大量生产同类产品。
