tin mine

The boys went exploring in some disused workings, eg the shafts of an old tin mine.

那些男孩子到一些废弃的矿坑去探险(如旧锡矿的竖坑中).

Tungsten and tin deposits in Shanhu town Guangxi province discovered by the common people in 1933. This deposits has been a important mine for Hezhou city for a long time.

珊瑚钨锡矿自1933年被群众发现，期间一直作为广西省贺州市的重点矿山进行勘探和开采工作。

Tin ore, copper, zinc mine, iron ore, snake bite mine, silica, sand and gravel sales.

锡矿 、 铜矿 、 锌矿 、 铁矿 、 蛇纹矿 、 硅石 、 砂石购销.

Numerical Analysis of the Surrounding Rock Mass Stability in Dachang Tongking Tin Mine The Effect of the Progressive Failure of the Rock Mass on the Slope Stability in Dexing Copper Mine

大厂铜坑矿细脉带采场围岩稳定性的数值分析德兴铜矿岩体渐进破坏对边坡稳定性的影响

The cause mine pillar destruction Tin Mine was analyzed from observation by photoelastic mine stope 570.

通过对埋设于570中段光弹性应力计的观测,分析了该中段矿柱破坏的情况及原因.

a tin mine

锡矿

At the bottom end of a soaring market, an ethnic Chinese worker squats in a sluice to gather tin ore at a mine on Bangka Island off the Sumatran coast.

在苏门答腊外海邦加岛的一处矿场，一名华裔工人蹲在一个洗矿槽内采集着锡矿砂。