ferrous metal
Ferrous metals , timber, and pulp seem to offer the main field of reduction.
看来,黑色金属 、 木材和纸浆是削减的重要对象。
—— 辞典例句Glass is separated by hand at the dump and ferrous metal removed by magnet.
玻璃在堆放场用手拣出,黑色金属用磁铁分出。
—— 辞典例句It looked like it was made of some dark metal ― iron.
它看起来像是某些黑色金属制成的――铁。
—— 给力词典精选The black mater metal plate is called a collector, there.
这个黑色金属板叫做吸热器。
—— 给力词典精选The black metal placed plate is called a collector.
黑色金属板被称为集热器。
—— 给力词典精选