Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
to phrases
不稳定煤层
厚度变化较大,无明显规则,结构复杂至极复杂的煤层
expl.
irregular coal seam
不稳定煤层
:
2 phrases
in 1 subject
Explosives and Explosive Ordnance Disposal
2
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