含铁类合金中的基本或主要金属是铁质。
Ferrous alloys are those in which the base or primacy metal is iron...
FS 12 A适用于所有铁类金属及合金钢材。
许多非铁类金属制造商计划提高产量,期望在接下来的几个月中增加收入。
Many nonferrous metal product makers are set to expand their output and expected to increase earnings over the coming months.
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