progressive pitting

例句：

1. 1. The steel plate was subjected to progressive pitting in the saltwater environment.
   在盐水环境中，钢板经历了渐进腐蚀。
2. 2.The research focused on understanding the mechanisms of progressive pitting in the metals.
   研究专注于理解金属中渐进腐蚀的机制。
3. 3.The engineers were tasked with preventing progressive pitting in the new pipeline design.
   工程师们被指派负责防止新管道设计中的渐进腐蚀。