Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
一次成井
掘进、永久支护和井筒装备三种作业平行交叉施工一次到底的井筒施工方法
expl.
full completed shaft sinking
;
simultaneous shaft sinking
一次成井
掘进、永久支护和井筒装备三种作业平行叉施工,一次完成的井筒施工方法
expl.
simultaneous shaft-sinking
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