感谢楼主分享IEC 81346-1-2009 Industrial systems, installations and equipment and industrial products – Structuring principles and reference designations – Part 1: Basic rules,和IEC 81346-2-2009 Industrial systems, installations and equipment and industrial products – Structuring principles and reference designations – Part 2: Classification of objects and codes for classes。
多谢了!多谢了!多谢了!多谢了!
谢谢楼主分享,已经下载:)
謝謝樓主的分享!!!!!
感谢楼主分享,每个分享的楼主都很帅气