infiltration(into a sewer)

• 渗人污水道

infiltration(into a sewer)的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 infiltration:

1. a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection)

2. the slow passage of a liquid through a filtering medium