这是为了确保没有永久应变发生负载细胞，这可能会影响其校正。
This is to ensure that no permanent strain occurs to the load cell which could affect its calibration.
这些注释将随负载测试结果一起永久保存。
The comments are stored permanently, together with the load test result.
在TFE有效压力范围内，尼龙以前被广泛的使用，因为尼龙具有抗永久性变形(或蠕变)的能力，并且在负载后能够自行恢复。
Nylon is predominantly used past the useful pressure range of TFE because of its ability to resist permanent deformation (or creep), and recovery after load.
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