Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
Russian
G
o
o
g
l
e
|
Forvo
|
+
to phrases
单向自动闭塞
commun., railw.
single-direction automatic block
;
unidirectional running automatic block
单向自动闭塞【铁】
tech.
automatic block with single direction running
单向自动闭塞:
3 phrases
in 2 subjects
Rail transport
1
Technology
2
Add
|
Report an error
|
Get short URL
|
Language Selection Tips