nitrogen family explosives

基本解释氮族炸药

网络释义

1)nitrogen family explosives,氮族炸药2)nitrogen family explosive,氮族炸药3)nitrogen family,氮族4)nitrogen group elements,氮族元素5)Nitrogen Group (Phosphorus,Arsenic,Antimony,and Bismuth),氮族(磷,砷,锑,铋)

用法和例句

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