拱形支架 meaning in Chinese
arch lining
arch set
arch support
arched support
archy lining
pit arch
support arch
Examples
- Products made of magnesium oxychloride concrete used in mines . technical condition of arch support
矿用菱镁混凝土制品.拱形支架技术条件
arch lining
arch set
arch support
arched support
archy lining
pit arch
support arch