Concentration stress leads to calcifying the valve leaflet near the point of calcification further seriously.

 
  • 當瓣葉出現鈣化時(shí),鈣化點(diǎn)及其周?chē)a(chǎn)生應力集中,促進(jìn)鈣化的進(jìn)一步加劇。
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