PyDict
scarce metals
- 稀有金屬
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知識+
超急!!!20點!!!有關焚化爐的英文文章
...composition and degree of recovery of materials such as metals from the ash for recycling.[2] This ... such as Japan where land is a scarce resource. Denmark and Sweden have been...
...composition and degree of recovery of materials such as metals from the ash for recycling.[2] This ... such as Japan where land is a scarce resource. Denmark and Sweden have been...