The anti-corrosive mechanism, preparation procedure in lab, manufacture process, performance test and application fields of Zn-Cr coating technology are introduced.

介绍了锌铬膜涂层的防腐蚀机理、 实验室制备过程、生产工艺过程、性能检测和应用领域；

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Verification by lab and field test confirms the combination tool has features of reasonable structure, stable performance, and which can detect all kinds of casing damage and azimuth.

经室内试验和现场试验验证，该组合仪结构合理，工作性能稳定，能直观、形象、具体、全面地检测出各种程度和各种类型的套损及其方位。

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In lab environment, we test the performance and the ability to keep up attack for prototype system.

利用实验室环境对原型系统进行了性能、攻击测试。

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