侧面钻孔 侧向探眼 超前探眼

flankhole  detail>>

超前探眼

flank hole  detail>>

侧向探眼

flank hole  detail>>

超前探水钻孔

cover hole  detail>>

地质探眼

scout boring  detail>>

超前探测

drift boring  detail>>

侧面钻眼

lateral drilling  detail>>

侧向探勘

lateral exploration  detail>>

接受面钻孔

aufnahmebohrung mounting hole  detail>>

路面钻孔机

paving breaker drill  detail>>

超前钻孔

advance borehole advanced borehole advanced hole  detail>>

侧向钻孔

flank hole  detail>>

超前钻孔开凿开井法

drilled raise  detail>>

地下坑道超前钻孔群

pilot-hole cover  detail>>

超前

speed-up; outstrip; lead; leading; preact; prediction; [航海学] advance; advancing  detail>>

前探梁

forepoling bar front canopy  detail>>

胚孔侧唇

lateral blastoporal lip  detail>>

眼超声检查

ocular ultrasonography  detail>>