低梯粉状炸药专用蜡
special wax used for low TNT pulverized explosive
粉状铵梯炸药
powdery NT explosive
Powdery explosives contained ammonium nitrate and Iriniirotoluene
粉状铵油炸药
powdery ammonium nitrate fuel oil explosive
粉状白钨酸
white powdery tungstic acid
carbon fiber epoxy plate