参考语言 meaning in English

reference language

Nc processor input - basic part program reference language
数控处理机的输入.基本零件程序用参考语言
Numerical control of machines ; nc processor input ; basic part program reference language
机床的数字控制. nc处理器输入.基础部分程序参考语言
Numerical control of machines - nc processor input - basic part program reference language
数字控制机床的数控处理程序输入基本零件源程序参考语言