| 释义 |
undrilled 英ʌnd'rɪld美ʌnd'rɪld BNC¹⁴⁴⁶⁶⁴⁺³
基本例句
adj.未钻的¹⁰⁰
The core catcher serves to grip the bottom of the core and, as tension is applied to the drill string, the rock under the core breaks away from the undrilled formation below it.
岩心爪用于抓住岩心的底端，当施加拉力给钻柱时，使得岩心以下的岩石与下部尚未碑钻进的地层脱离。 www.infopetro.com.cn
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。 yeeyan |