validity of a claim

claim... ... validate the claim {v.}使索赔有效 validity of a claim {n.}索赔的有效性 variation of claim {n.}诉的变更 ...

在线词典--水电知识网-... ... validation 证实,印证 validity of a claim 索赔有效性 validity of an award 裁决有效性 ...