undrilled
美
英 
例句
A narrow barrel with a razor-sharp edge (think of a very big apple corer) shoots down and pierces the undrilled layer of earth below.
一个带有锋利边缘的窄桶(就像一个非常大的苹果挖核器)像子弹一样射下,穿过下方尚未钻孔的土层。
Compression, injection and die-casting moulds; machined plates, undrilled
挤压模具.注塑模具和压铸模具.不钻孔的加工板
Construction Technology of Undrilled Grouting for Leak Stopping
不钻孔灌浆堵漏施工技术