Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
to phrases
作用层
tech.
active layer
作用层
:
102 phrases
in 22 subjects
Agriculture
2
Air defense
1
Architecture
2
Automobiles
1
Desert science
1
Drilling
1
Earth sciences
2
Economy
1
Electronics
3
Engineering geology
5
Explosives and Explosive Ordnance Disposal
1
General
3
Genetics
3
Geology
2
Geophysics
1
Hydroelectric power stations
2
Metallurgy
3
Oceanography & oceanology
1
Oil / petroleum
26
Refrigeration
1
Technology
39
Wind Energy
1
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