lead and zinc deposits是什么意思 lead and zinc deposits怎么读
lead and zinc deposits的相关资料
lead and zinc deposits的用法和样例
- The picture shows the Tumertine Obo Zinc field.
图为图木尔廷敖包锌矿矿区远景。 - The metallurgical pertormance was bad in LiuYang refractory Lead -Zinc Mine.
浏阳含银难选铅锌矿多年来选矿生产指标不好。
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