而且还有弹性
And it's elastic.
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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