所有钢辊全部镀铬处理。

All the steel rolls are chrome plated.

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所有的这些因素产生不同种类的琴丝，特别是当钢被用作制造琴丝时。

All of these factors create different types of wires, especially when steel is used.

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它可以用在所有含铁金属和非铁金属上，包括镀锡钢，铜和其他有色金属。

Useable with all ferrous and nonferrous metals, including tin-coated steel, copper, brass, and other metals prone to staining.

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