Good corrosion and rust protection.

优异的防锈性和防腐蚀性。

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A zinc coating is applied to the steel for rust protection.

镀锌层是用来防止钢铁生锈的。

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There is obviously on the steel ball function anti-rust protection.

对碳钢球有明显的保护防锈功能。

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There is obviously on the steel ball function anti-rust protection.

对碳钢球有明显的保护防锈功能。

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