Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Croatian
Dutch
French
German
Greek
Hungarian
Italian
Lithuanian
Polish
Portuguese
Russian
Spanish
G
o
o
g
l
e
|
Forvo
|
+
to phrases
main system
IT
主系统
tech.
配水管系统
main system
:
101 phrase
in 22 subjects
Architecture
2
Automobiles
1
Aviation
8
Earth sciences
3
Ecology
1
Electric machinery
1
Electronics
9
General
1
Hydraulics
2
Hydroelectric power stations
1
Mathematics
1
Metallurgy
3
Nautical
2
Nuclear and fusion power
8
Project management
1
Rail transport
2
Refrigeration
2
Shipbuilding
7
Space
2
Technology
42
Telecommunications
1
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