英语词典矿业英语

sprung blasthole

sprung blasthole

翻译:扩孔底炮眼

同义词

1)sprung blasthole,扩孔底炮眼2)Hole-springing hole,扩底炮孔3)blast-hole springing,炮眼底扩大4)point,炮眼底5)bottom perforation,底部炮眼6)perforations,炮眼(射孔)

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