Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Arabic
Chinese
Esperanto
German
Greek
Italian
Japanese
Norwegian Bokmål
Polish
Russian
Scottish Gaelic
Serbian Latin
Swedish
Ukrainian
Terms
for subject
Explosives and Explosive Ordnance Disposal
containing
Specially
|
all forms
|
exact matches only
English
Chinese
specially
permitted operation zone
特许区域
对于瓦斯煤矿,在特定的条件下其全部或部分区域,没有必要对可燃性气体以及煤尘爆炸采取安全措施时,可在指定的区域按照一般的爆破规则进行开挖作业。这一经批准的局部区域称为特许区域
Get short URL