bottom subsidence

常見例句

雙語例句

• The subsidence of the bottom and the cracks in the middle of the bottom are caused by temperature gradient and melt gravity during crystal growth.
  晶體生長期間，溫度梯度和熔體重力引起的熱應力和壓力應力使坩堝底下陷并在底的中部產生裂隙。
• The ring wall base resulted in sudden change of stress and formed steep subsidence zone at the ring wall on soft ground base, being unfavorable to stress at the bottom of the tank.
  其次，當罐直徑越來越大時， 混凝土環(huán)墻的溫度應力和干縮成為設計難題。
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