up-hole

up-hole

美 　英

• n.向上钻孔
• 网络上孔法；上孔式

英汉解释

n.

1. 向上钻孔

例句

One of the technical problems for efficient mining in underground metal mines, is how to achieve mechanized charging in up-hole.

地下矿山高效采掘生产中遇到的技术难题之一，就是如何实现上向中深孔的高效机械化装药。

except without that sad, closed-up hole in his ear when he pierced it in the '80s.

只少了恰克在80年代穿过现在已经合起来的耳洞

New Method in Cleaning up Hole of Flow Channel of Valve

阀体流道孔清理的一种新方法