situation of new material
... 先进复合材料，高级复合材料 advanced composite material 新原料情况 situation of new material 形级材积表 form class volume table ...
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在处理同等数量矿石原料的情况下，尤其是当铜在矿石中的含量很高时，新的采铜工艺可比旧式工艺少用40%的电力。
New copper-extracting technologies can use up to 40 percent less electricity than the older method to process the same amount of raw ore, especially when the proportion of copper in the ore is high.
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