Add the desired colour code 1 Add the mechanically coding number C1 - C6. Standard coding C1 2 Please order coloured ring separately. 3 or with protective cap in unmated condition.
添加需要的颜色代码1添加需要的编码C1 - C6。标准编码C1 2请单独订购色环。3或在未插合条件下带保护盖。
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