Based on the above analysis, the defect is that your company lifted the pin before the test, causing damage to the internal microstructure and showing poor characteristics.
Synthesis of the above analysis, bad for your company before the test will be the pin up, resulting in internal microstructure damage, rendering poor characteristics.
Based on the above analysis, the defect is that your company warped the pin before the test, resulting in internal microstructure damage and poor performance.<br>