Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
sparkless commutation
This HTML5 player is not supported by your browser
tech.
无火花整流
;
无火花换向
;
无电〔火〕 花换向〔整流〕
Add
|
Report an error
|
Get short URL
