盐矿

A two - step process has been developed to recover cobalt from arsenite ores.

为了从亚砷酸盐矿中回收钴，开发了二段工艺。

Magnesium mine, salt mine , Bromine mine, Piezoelectric Crystal.

镁矿， 盐矿，溴矿， 压电水晶， 铸石用玄武岩。

For decades, the tunnels of the Solotvyno Salt Mine in Ukraine have hosted subterranean convalescents.

数十年来， 乌克兰Solotvyno盐矿的洞群一直款待着来地下疗养的患者。

Meanwhile it advanced a process scheme for other salt mine as refereeing according to the situation.

同时，根据油垫井串通的情况提出了矿山今后的开采工艺方案，可作为同类型盐矿借鉴。

Common salt is obtained from evaporation of spring and sea water, also from mines.

食盐是通过泉水海水蒸发得到的， 也有来自盐矿的。