贵稀金属
贵稀金属-
贵稀金属作为国民经济发展不可缺少的资源，随着资源的开采，矿床的贫乏，开采成本的提高，从电子废弃物中回收贵稀金属将具有长远的战略意义。
It is of long-term strategic significance to recycle noble and rare metals from electronic waste , as these metals are indispensable resources to China 's economic development while the cost of mining them is on the rise due to less resources available and the deterioration of mine .