The paper introduced shallow hole shrinkage stoping method that has been used in Baoziwan Gold Mine for many years.

叙述了堡子湾金矿多年来应用浅孔留矿采矿法的生产实践以及对采切工程的改进。

youdao

The current shallow hole drill rigs can't meet the desire of shallow hole drilling and sampling in difficultily entered area and dry area.

本钻机吸取了国内外轻便钻机的结构型式特点，结合作业环境和取样要求，设计出一种振动冲击式、轻型的、易拆装、方便搬迁的新型轻便浅孔钻机。

youdao

A small mountain spring ran tinkling down the narrow stone crevices. Many years passed. An egg-sized shallow hole was washed out on the rock.

一股细细的山泉沿着窄窄的石缝叮叮咚咚往下流淌，也不知道过了多少年，竟然在岩石上冲刷出一个鸡蛋大小的浅坑。

youdao

The shallow hole was surrounded by salvaged chairs and shaded by a blue canvas canopy they had stolen from some resort because property was always already theft and anyway they had really wanted a canopy.

NPR: Excerpt: 'Estrellas y Rascacielos'

This was followed in the week by the drill turning in the chosen rock to cut a shallow, 2cm hole.

BBC: Curiosity Mars rover takes historic drill sample