固体火箭发动机装药设计
solid rocket motor grain design
装药结构
charge
Explosive charge structure
structure of charge
charge structures
Charge structure
construction of charge
Charge structrue
Charging construction
charge construction
Charging structure
charge pattern
charge configuration
construction of projectile charge
Packing powder structure
loaded constitution
loading structure
the method of loading explosive in blast hole
装药车
charging machine
power charge car
Explosive charging vehicles
Loading machine
Explosive charging truck
truck for site sensitized emulsion explosive
loading truck
emulsion explosive