指出鼓肚变形不仅有瞬时弹性变形，而且还有随时间变化的蠕变变形。
It is pointed out that bulging strain is consisted of not only instaneous elastic strain, but also creep strain which changes with time.
指出鼓肚变形不仅有瞬时弹性变形，而且还有随时间变化的蠕变变形。
It is pointed out that bulging strain is consisted of not only instaneous elastic strain, but also creep strain which changes with time.
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