挑顶刷帮炮眼 清扫性放炮

brushingshot  detail>>

挑顶刷帮炮眼

brushing shot  detail>>

清扫性放炮

brushing shot  detail>>

炮眼清洗

perforation cleaning  detail>>

炮眼清洗法

perforation cleanout method  detail>>

挑顶炮眼

canch hole  detail>>

松动性放炮

back-off shooting  detail>>

震动性放炮

concu io lasting concussion blasting  detail>>

挑顶炮眼；卧底炮眼

canch hole  detail>>

单独炮眼放炮

single shot firing  detail>>

炮眼点火放炮

fire a hole  detail>>

单独炮眼放炮器

single shot exploder  detail>>

长壁工作面辅助挑顶炮眼

cuckoo shots  detail>>

挑顶

back brushing backslash bar down barring down brushing the roof overcut&nbs...  detail>>

放炮

1.(打炮) fire a gun 2.(车胎爆裂) blowout (of a tyre, etc.)  短语和例子   轮胎放炮了。 the ti...  detail>>

炮眼

1.[军事] porthole; embrasure; port 2.[矿物学] blasthole; dynamite hole; borehole  detail>>

清扫

clear; clean; cleaning; rid; [航海学] sweeping  detail>>

挑顶机

rock ripper  detail>>