Of the 100 elements available to us, about three-quarters can be classified as metals. And, about half of these are of at least some industrial or commercial use.
在我们可获得的100种元素中，约四分之三可归入金属，而这其中约二分之一至少具有某种工业或商业用途。
Allegheny Technologies, a speciality metals producer, is running its plants only half the time and furloughing its staff for the rest of the month.
特种金属生产商阿勒格尼技术公司的工厂，每月仅有一半时间开工，余下的时间内员工都被暂时解雇。
Allegheny Technologies, a speciality metals producer, is running its plants only half the time and furloughing its staff for the rest of the month.
特种金属生产商阿勒格尼技术公司的工厂，每月仅有一半时间开工，余下的时间内员工都被暂时解雇。
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