黑色金属 meaning in Chinese

black metal
blackmetal
ferrous and nonferrous metals
ferrousmetal

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。
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。
Ferrous metals - test method of atmospheric exposure
黑色金属室外大气暴露试验方法
Conversion of hardness and strength for ferrous metal
黑色金属硬度及强度换算值
Vocabulary of heat treatment terms for ferrous products
黑色金属制品的热处理术语词汇

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