1)eddy erosion in river bed,涡林蚀2)evorsion[e'vɔ:ʃən],涡流冲蚀3)turbine blade corrosion,涡轮腐蚀4)vortex cavitation,涡流空蚀5)vortex separator,涡林离器6)caviation erosion,涡穴冲蚀，孔蚀
用法和例句
The “L”“T” type joints of P208 pump oil warm-up pipeline were scoured by the vortexing,and the evorsion led to crack in weld.