可: approve功能键: function key发光可编程功能键盘: lighted programmable function keyboard lpfk或“轻型可编程功能键”: lighted programmable function keys lpfk用户可编程的功能键: user programmable key功能键: function keys; functional key过程功能: process function功能，功能键: function, function key可编程: plc; programmable; psc备用功能键: alternate function key程控功能键: programmed function key程式功能键: pf key; program functionkcy程序功能键: pfk; program function key; program function(pf)kcy; programfunction key多功能键: multi pads多功能键板: multifunction keyboard多功能键组: multi pad kit辅助功能键: alternate function key功能键符号: function key symbol功能键级别: key level功能键码: function key code功能键盘: function keyboard; functional keyboard键盘功能键: keyboard function key命令功能键: command function key双功能键: double function key特殊功能键: sf
