Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
过渡性掏槽
为保护煤矿井下直立支护而采取的一种掏槽方式。这种方法使煤块朝底板方向抛出,所以不会损伤支护。通常采用的过渡性掏槽有台阶式掏槽和漏斗掏槽
expl.
transient cut
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