To make their design rational,a knowledge based shaft drilling and blasting design expert system (SDBES) was developed using OEC,a tool for expert system.是什么意思_To make their design rational,a knowledge based shaft drilling and blasting design expert system (SDBES) was developed using OEC,a tool for expert system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句