电镀锌端盖及骨架，不易生锈。
Zinc plated cap and center frame, good rust prevention performance.
黄金是一种易锻造，易导热、导电、不易生锈的金属。
The gold is one kind easy to forge, easy heat conduction, electric conduction, not easy rusty metal.
黄铜不易生锈腐蚀，延展性较好，易于加工成各种建筑五金，装饰制品、水暖器材。
Brass is not easy to rust, malleable, easy processing into a variety of architectural hardware, decorative products, plumbing equipment.
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