AMPP 倡导日
烟管内壁喷砂除锈
AMPP CIP 1 认证之
AMPP CIP1CIP2 和 C
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描述:监督2万V电火花测试
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laughing哥:越南女同胞吗?李总 (2016-02-28 13:38)
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oide025:钢管表面不像做过漆,为什么要电火花测试呢? (2016-02-25 08:19)
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