图2显示了DS4500单元的背面。
图六：背心快拆扣背面刻印。
银条背面浮雕《牡丹百花图》，暗合富贵、吉祥。
Silver bar relief "peony flowers on the back, drawing" implicate wealth and good luck.
效果图背面左上角附：主题名称、设计思想（不超过50字）；
On the opposite side: subject, design thought(less than 50words) written on the left top;
效果图背面左上角附：主题名称、设计思想（不超过50字）；
On the opposite side: subject, design thought(less than 50words) written on the left top;
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