According to the requirements of controlling systems for electron beam welder, A/D and D/A technology to control EBW are used to control EBW.是什么意思_According to the requirements of controlling systems for electron beam welder, A/D and D/A technology to control EBW are used to control EBW.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句