用木炭冶炼金属硅耗费大量木炭，很大程度依赖日益缺乏的森林资源。
It consumes a great deal charcoal smelting metal Silicon by charcoal, which depends completely on the increasingly scarce forest resource.
用木炭冶炼金属硅耗费大量木炭，很大程度依赖日益缺乏的森林资源。
It consumes a great deal charcoal smelting metal Silicon by charcoal, which depends completely on the increasingly scarce forest resource.
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