查询词典 float copper

Until fairly recently, the only way to extract pure copper from ore was by using a process that requires large amounts of electric energy, especially if the proportion of copper in the ore is low.

直到最近，从矿石中提取纯铜的唯一方法是通过一种需要大量电力的流程，特别是当矿石中铜的比例比较低的时候。

Until fairly recently, the only way to extract pure copper from ore was by using a process that requires large amounts of electric energy, especially if the proportion of copper in the ore is low.

直到最近，从矿石中提取纯铜的唯一方法是通过一种需要大量电力的流程，非凡是当矿石中铜的比例比较低的时候。

Until fairly recently, the only way to extract pure copper from ore was by using a process that requires large amounts of electric energy, especially if the proportion of copper in the ore is low.

直到最近，从矿石中提取纯铜的最佳方法是使用一项需要消耗大量电能的工艺，尤其是当矿石中铜含量低的时候。

Until fairly recently, the only way to extract pure copper from ore was by using a process that requires large amounts of electric energy, especially if the proportion of copper in the ore is low.

直到最近，从矿石中提取纯铜处理同等数量的原矿石时能够比老的方式节省40％的电力，特别是当矿石中铜的比例比较高的时候。

Until fairly recently, the only way to extract pure copper from ore was by using a process that requires large amounts of electric energy, especially if the proportion of copper in the ore is low.

因为新的炼铜技术能用比老办法低超过40%的电量炼同样多的矿，尤其当矿里铜含量高的时候。

Until fairly recently, the only way to extract pure copper from ore was by using a process that requires large amounts of electric energy, especially if the proportion of copper in the ore is low.

如果不是现在都是贫矿多，就不会很省电了吧？其次，即使新的确实是省电，新技术的铜的提取率及工作效率与旧的相比如何呢？

Based on ore-bearing host rocks and mineralization patterns of copper-gold deposits in the western Tianshan Mountains, copper deposits can be classified into three types, i.

根据铜金矿床的含矿主岩和成矿作用方式，西天山的铜矿床主要可划分为 3种类型：斑岩型、夕卡岩型和火山热液型；金矿床可划分为 2种类型：浅成低温热液型和斑岩型。

Dexing Copper Mine is the largest outcrop copper mine in Asia.

矿山排出的废水通常呈酸性且含有大量重金属离子。

Copper is racks of copper shearers'pick for integration into the surface.

铜的不入处主给是挂具及滚筒暗地的铜溶入。

Copper is racks of copper shearers'pick for integration into the surface.

铜的不入处次要是挂具及滚筒暗地的铜溶入。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。