1.
The old miner was digging for gold.
老矿工正在挖矿找金子.
2.
More than60 pits in old mining areas are being extended.
老矿区的六十多个矿井正在扩建。
3.
Resource Integration and System Reconstruction of Multiple Deep Adjacent Mines in Aging mine;
衰老矿区深部相邻多矿井资源整合与系统重构
4.
Study on identification of the aged coal mine and coal mine lifecycle system simulation
衰老矿井识别及矿井生命周期仿真研究
5.
THE XIAOJIAPOIGOU BORON DEPOSIT IN LIAONING PROVINCE: Geological features and prospecting measures in the old orefield
辽宁小夹皮沟硼矿床地质特征及老矿区找矿方法探讨
6.
Some old miners are still panning for gold in the streams.
一些老矿工仍旧在这些河里淘金。
7.
The present difficulties and developing countermeasures of old mines;
浅述衰老矿井的现实困难与发展对策
8.
On Mineralizinging Law and Deep Prospecting in Laozuoshan Gold Mine
老柞山金矿成矿规律及深部找矿探讨
9.
The Laoheishan Area Uranium Mine (Polymetallic) Prospects the Direction Research
老黑山地区铀矿（多金属）找矿方向研究
10.
Hydro-geological Characteristics of the Lancang Laocang Jamesonite Mining Area
澜沧老厂铅矿矿区水文地质特征概述
11.
STUDY ON MOLYBDENUM RECOVERY FROM PROCESSED TAILINGS
从某钼矿老尾矿中回收钼的试验研究
12.
The prospective of gold deposit exploration in Xiangkok area,Laos
老挝Xiangkok地区金矿找矿前景浅析
13.
Mineralizing Texture and Metallogenic Model of the Laochang Polymetallic Deposit in Lancang,Yunnan
云南澜沧老厂多金属矿床矿化结构及成矿模式
14.
Research on Mining-induced Seismicity in Fushun Laohutai Coal Mine and Its Effect on Building;
抚顺老虎台矿区矿震及其对建筑物影响研究
15.
The Rock-and Ore-forming Ages of the Laochang Porphyry Molybdenum Deposit in Lancang,Yunnan
云南澜沧老厂斑岩钼矿成岩成矿时代研究
16.
WALL ROCK ALTERATION&PROSPECTING CRITERIA OF LAOBOCHANG PB-ZN DEPOSIT OF MINGGUANG,TENGCHONG
腾冲明光老波厂铅锌矿围岩蚀变及找矿标志
17.
A Case Research on the Solution for Old Workings in Sizhuang Mining Area of Jiaojia Gold Mine
焦家金矿寺庄矿区老空区综合治理方案研究
18.
Formation Mechanism and Ore-Controlling Rules of the Folds in Laobao Pb-Zn Deposit,Guangxi
广西老堡铅锌矿褶皱形成机制及其控矿规律