兑水 发表于 2009-10-3 10:33:48

ASTM D 2731-2001 弹性纱弹性测试方法(恒速拉伸(CRE)型拉伸...

D2731-01 Standard Test Method for Elastic Properties of Elastomeric Yarns (CRE Type Tensile Testing Machines)
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