你所报的（材料）标准我不熟悉，看起来像是用于做弹簧钢的材料，你能进一步说明一下吗？
The standard you quote is not one I am familiar with and it appears to apply to spring steel, can you please clarify?
你所报的（材料）标准我不熟悉，看起来像是用于做弹簧钢的材料，你能进一步说明一下吗？
The standard you quote is not one I am familiar with and it appears to apply to spring steel, can you please clarify?
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