含碳量变化的钢具有不同的临界温度，因此需要特殊的热处理。
A steel with varying carbon content and, consequently, different critical temperatures requires a special heat treatment.
压光带为一经特殊处理的不锈钢环状钢带。
达克罗的应用范围很广，它不但可以处理钢、铁、铝及其合金，还可以处理烧结金属，以及特殊的表面处理。
Dacromet has a wide range of applications. it not only can be used to treat steel, iron, aluminum and its alloys, but also can handle sintered metal, and the special surface treatment.
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