corroded sunken pit

• 蚀坑

corroded sunken pit的用法和样例：

例句

1. The evolution of corrosion pit growth on the surface of a metal in an aggressive medium is investigated with a simple cellular automaton model defined at a mesoscopic scale.
   摘要用一个简单的元胞自动机从介观的角度对腐蚀环境中金属表面蚀坑的生长演化过程进行研究。