nonelectric initiation非电导爆管起爆
nonelectric squib非电导爆管
nonelectric governor非电调节器
nonelectric system非电导爆系统
nonelectric product非电产品
nonelectric actuator非电启动器
Nonelectric Pressure Sensors无电压力传感器
nonelectric quantity test technology非电量电测
nonelectric delay blasting cap不用电的定时起爆筒