开矿

这种对地壳、岩石和沉积物中铂族元素丰度值的新认识，对理论地球化学、勘查地球化学甚至铂族元素矿产勘查工作都具有重要的意义。

anti-personnel mine

sea mine barrier

diesel-powered mine locomotive

coal mine

mine development

moored mine

mine field

modification of mine galleries for storing gas