Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
to phrases
分层测试
oil
stratification testing
;
zonal testing
tech.
selective test
分层 测试
:
4 phrases
in 4 subjects
Electronics
1
Geophysics
1
Mining
1
Telecommunications
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