兑水 发表于 2009-10-29 15:33:59

ASTM E 242-2001 在某些参数改变时射线照相图象外观用参考射...

E242-01 Standard Reference Radiographs for Appearances of Radiographic Images as Certain Parameters Are Changed
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查看完整版本: ASTM E 242-2001 在某些参数改变时射线照相图象外观用参考射...