ledpan 发表于 2017-10-6 23:13:47

什么是Nd size 呢 What are prices Nd sizes has details

Q:什么是Nd size 呢?What are prices Nd sizes has details we need some for project,谁帮忙 翻译一下呢?
A: Nd 是and我理解是,客户需要看看你们产品的报价和规格
Q: 嗯嗯
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