Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
to phrases
质量合格率
dril.
quality qualified ratio
质 量 合格率:
4 phrases
in 3 subjects
Drilling
2
Oil / petroleum
1
Technology
1
Add
|
Report an error
|
Get short URL
|
Language Selection Tips