矿 的中文句子和英文句子

这个地区以采矿业为经济基础.

This area depends on the mining industry.


食物，粮食通常是源于植物和动物的物质，包含有人体营养物的必不可少物质或由其组成如：糖类、脂肪、蛋白质、维他命和矿物质等，由产生能量、促进发育和维持生命的组织消化和吸收

Material, usually of plant or animal origin, that contains or consists of essential body nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals, and is ingested and assimilated by an organism to produce energy, stimulate growth, and maintain life.


宝石，珍珠珍珠或矿石，已被切割或抛光而作为装饰品

A pearl or mineral that has been cut and polished for use as an ornament.


经过化学分析，我们知道了矿石的构成。

After chemical assay, we have known the composition of the ore.


矿车、煤车煤矿中在轨道上行驶的四轮、开口、盒状的运货车或铁制车厢

A four-wheeled, open, box-shaped wagon or iron car run on tracks in a coal mine.


水冶金术通过液体过程，象过滤，提炼，沉淀等方法处理金属，从矿石中或矿石浓缩物中分离出金属

The treatment of metal or the separation of metal from ores and ore concentrates by liquid processes, such as leaching, extraction, and precipitation.


这个大型工厂里熔炼矿石。

The ore is smelted in this large factory.


约翰内斯堡南非最大的城市，位于该国的东北部，在德班西北。在其附近发现金矿后于1886年建立，为主要的工业中心。人口703，980

The largest city of South Africa, in the northeast part of the country northwest of Durban. Founded in1886 after the discovery of gold nearby, it is a major industrial center. Population, 703,980.


阿利斯斯普林斯澳大利亚一城镇，位于该国中心附近。旅游和采矿为其重要经济来源。人口22，000

A town of Australia located near the center of the country. Tourism and mining are important to its economy. Population, 22,000.


硬锰矿一种黑色氧化锰矿的混合物

A mixture of black manganese oxide minerals.