板材冲压成形
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stamping sheet metals 冲压板材
LOCKS DD 17is a general purpose forming oil specially made for drawing and stamping of sheet metals.
洛斯dd 17为一般用途拉力油，特别为板金属的拉伸、冲压等工序而制造。
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LOCKS DD 17sis a general purpose forming oil specially made for drawing and stamping of sheet metals.
洛斯dd 17s为一般用途拉力油，特别为板金属的拉伸、冲压等工序而制造。
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