Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
全断面掘进炮孔组
把需要的断面一次全部开挖完成的施工方法。在岩石坚硬的大断面隧道中应用,可获得较高的掘进效率。掏槽方式以平行直孔掏槽为主,炮孔直径大多采用 36 full50mm。全断面上的所有炮孔称为炮孔组
expl.
full-size tunneling shot
;
full face round
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Add
|
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Report an error
|
Get short URL
|
Language Selection Tips