多重闭合非电导爆管起爆网络
multiple loop Nonel firing circuits
非电导爆管网路
non electric blast ignition network
非电起爆网路
non-electric initiation network
Non-electric blasting network
non electric initiation network
Nonel detonating network
非电起爆系统
nonelectric initiation sysstem
non-electricity system
non electric initiating systion
非电起爆装置
non electric initiation system
复式非电起爆网路
complex non-electric detonation network
非导电工程陶瓷
non-conductive engineering ceramics