ps cs基本解释
港口拥挤附加费(port congestion surcharge) || 个人通讯业务(personal communications services) || 物理编码子层(physical coding sublayer) || 生产控制系统(production control system) || 穿孔卡片系统(punch card system) || 过程控制系统(process control system) || 换极开关(pole changing switch) || abbr.##件数,片数,台数(pieces)