Physical stain

 
  • 物理性污染

Physical stain的用法和樣例:

例句

  1. Enamel erosion is permanent tooth damage and is easily misdiagnosed with attrition due to physical effect and enamel decalcification due to bacterial nature.
    牙釉質(zhì)的腐蝕是一種永久性破壞,也常常與物理性因子所造成的磨耗及細菌性所造成的牙釉質(zhì)脫鈣相類(lèi)似而被誤診。
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