短语词组短语spot -corrosion 点蚀spot form corrosion 斑状腐蚀hot spot corrosion 点腐蚀;热点腐蚀Spot Corrosion Hole 点蚀孔洞spot corrosion pit 点蚀坑MONK spot corrosion 点腐蚀corrosion spot 腐蚀点;腐蚀斑点 返回 spot corrosion