perforated zinc sheet的意思|示意
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透孔锌片
perforated zinc sheet的网络常见释义
透孔锌片 ... perforated tape reader 穿孔带阅读器 perforated zinc sheet 透孔锌片 perforating machine 打孔机 ...
perforated zinc sheet相关短语
1、 Perforated Zinc Sheet System 锌板方式