IEEE Std 515-1989 是电气电子工程师学会的技术标准,题为“IEEE Recommended Practice for the Testing, Design, Installation, and Maintenance of Electrical Resistance Heat Tracing for Industrial Applications”;公开目录标为已被替代(Superseded),著录年份为 1990 年。
This site only uses the cookies needed to keep editors signed in. The voice assistant is provided by this site: it sends what you type or say to Google Gemini and keeps your choice in this browser. Turn the voice assistant on? Privacy policy