求翻译：使参加者了解与掌握车身构造与结构损伤的修复过程，并在熟悉特定的车身查勘流程之后，在二十分钟内完成二手车车身结构安全性，防腐性能与车身精度的判定工作。是什么意思？

Enable participants to understand and master the body structure and structural damage repair process to be completed within 20 minutes, and familiar with the specific body survey process to determine the body structure of the used car safety, corrosion resistance and body precision.

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Causes the participant understanding and the grasping body construction and the structure damage repair process, and after familiar specific automobile body survey flow, completes the second-hand vehicle automobile body structure security in 20 minutes, the anticorrosion performance and the automobi

Enable participants to understand and master the body construction and repair of structural damage, and after you are familiar with the specific body mapping process, complete used car body structure security in 20 minutes, corrosion resistance and determination of the accuracy of body work.

正在翻译，请等待...