A plug had been inserted in the drill hole.
那个钻孔里已经塞上了塞子。
"The drill hole is just a pinprick on an elephant's back," he said.
“钻井对于整个岩浆体来说只不过是大象背上的一个小针孔。”马施说。
With crawler, it is easy and fast to find out the drill hole position.
采用履带行走机构，移动孔位方便，快捷。
The options include enlarging the drill hole or digging a new shaft.
现在的方案有两个：一是扩大现有的通道，二是钻一个新的通道。
After grouting of drill hole at here, the mining production has been recovered.
对此处实施钻孔注浆后，恢复生产。
Drill hole, Cutting, Stretch or punch (Range 3-5 mm).
钻孔，切割，拉伸或冲压(幅度3 - 5毫米)。
Drill hole, Cutting, Stretch or punch (Range 3-5 mm).
钻孔，切割，拉伸或冲压(幅度3 - 5毫米)。
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