Open Access电梯安全管理与维修保养探讨
Author(s) -
李勇
Publication year - 2021
Publication title -
guo ji jian zhu xue
Language(s) - Uncategorized
Resource type - Journals
ISSN - 2661-4669
DOI - 10.37155/2661-4669-0302-8
Subject(s) - nanotechnology , engineering ethics , engineering , engineering physics , materials science