发布时间:2025-01-25 09:16:43
镀锌包括热镀、电镀、刷镀,镀锌层是银白色的。发黑一般指金属的氧化处理,颜色乌黑光滑,比如枪械的金属部分,磷化层也呈黑灰色,但是表面有微孔,手感比发黑略粗糙。
macromedia flash professional 8中文版介绍
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