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powder charge
construct. 弹射弹; 弹射筒火药; 传爆管; 发射药; 火药柱
el. 弹射筒; 起爆器
eng.geol. 装药量
tech. 炸药; 火药装药
powder charge: 7 phrases in 3 subjects
Explosives and Explosive Ordnance Disposal2
Metallurgy3
Space2