Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Terms
for subject
Explosives and Explosive Ordnance Disposal
containing
covering shaft
|
all forms
English
Chinese
shaft cover
封口盘
为进行凿井工作和保证作业安全,在立井井口设置的带有井盖门和孔口的盘状结构物
Get short URL