滞回性能与钢材相近。
浸水时间不当均可使两种器件的湿滞回差变大，因此合理控制浸水时间是必要的。
Therefore, it is important to carefully control time when they are soaked in water.
浸水时间不当均可使两种器件的湿滞回差变大，因此合理控制浸水时间是必要的。
Therefore, it is important to carefully control time when they are soaked in water.
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