产品模型数据交换标准－数控程序控制器
standard for the exchange of product model data-nu
电源电压监控程序控制卡
source voltage monitoring pc card
顺序控制程序
sequential controller program
sequence control program
操作员控制命令
operator control command
OCC Operator Control Command
occ
测试档案控制命令
test file control command
程序命令语言
procedural command language
除错支持系统控制命令
debug support system control command