兑水 发表于 2009-12-8 20:04:59

ASTM F 2328-2005 测定硬化和回火螺纹钢螺栓，螺钉和螺柱...

F2330-04 Standard Test Method for Evaluating the Oxidative Resistance of Multilayer Polyolefin Tubing to Hot Chlorinated Water
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