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火药系
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Chinese
English
tech.
干化学药品灭火系统
dry chemical extinguishing system
avia.
枪炮火药气体吹除系统
gun purge system
space
火药启动系统
powder start system
space
火药启动系统
cartridge starting system
tech.
火药系
explosive train
expl.
火药系
数与定时对岩石冲击破碎的影响
effect of powder factor and timing on the impact breakage of rocks
space
硼系点火药
boron type ignition composition
space
镁系点火药
magnesium type ignition composition
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