Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
煤矿许用炸药安全性能
炸药在矿井中爆炸时不易引爆可燃气和煤尘的能力
expl.
safety of permissible explosives
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
