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扇形炮孔
meaning in English
fanhole(s)
Examples
Pratice of controling the charge of sector blastholes
控制
扇形炮孔
装药量的实践
Related Words
扇形步
扇形蜗杆
遮蔽扇形
扇形喷嘴
扇形喷头
扇形偏振片
扇形区
扇形喇叭
扇形导线
扇形钢丝
扇形盘表法
扇形盘度
扇形炮孔爆破
扇形炮孔间距
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