black powder train 黑药导火线
BLACK POWDER COAT FINISH 黑色粉末涂层 ; 黑色喷塑
Nanodiamond Modified Black Powder 纳米金刚石改性黑粉
Black Powder Coated 黑色喷塑
Nanodiamond Black Powder 纳米金刚石黑粉
black lead powder 黑铅粉 ; 石墨粉
black pepper powder 黑胡椒粉 ; 水溶黑胡椒粉
black powder fuse 黑火药导火线
N → another name for gunpowder
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