ASTM E125-63(Reapproved 2003)Standard Reference Photographs for Magnetic Particle Indications on Ferrous Castings1
ASTM E125-63(Reapproved 2003)Standard Reference Photographs for Magnetic Particle Indications on Ferrous Castings1多谢楼主今天又为论坛分享标准,统一在此贴奖励.---fscmj