喷射机

Concrete gunite machine shotcrete method for tunnel

Tunnel shotcreting is generally divided into dry shotcrete, damp [...]

管理员2019-06-13T12:10:30+00:00类别: 喷射机|0 Comments

shotcrete machine

1111111 2222 砂浆泵 [...]

管理员2018-06-26T03:53:16+00:00类别: 喷射机|已关闭评论