Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
喷流射孔枪
用高爆炸性聚能射孔弹代替普通射孔弹的射孔枪。借雷管发火引爆主炸药产生高压,使炸药包中的金属垫变成高压金属流呈针状的微粒高速喷射,穿透套管进人地层,形成射孔
expl.
jet perforator
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