英语语法分析

Refined copper and copper alloys, unwrought.

未锻轧的精炼铜及铜合金。

Imports of unwrought aluminum and semi-finished aluminum products rose to 353, 218 tons in June, from 331, 740 tons in May.

6月未锻造铝和铝材进口从5月的331 740吨增至353 218吨。