renovator

1. Development of polyurethane-based renovator for rubbers
   聚氨酯橡胶修补剂的研制
2. Application of industrial renovator in mending corrosion pits of refining tower
   工业修补剂在变脱塔腐蚀坑修补中的应用
3. Paganini is an excellent master of outstanding skills and also a great renovator of art.
   帕格尼尼既是一位无与伦比的技巧大师，又是一位伟大的艺术革新者。

noun

1. a skilled worker who is employed to restore or refinish buildings or antique furniture

   Synonym:    refinisherrestorerpreserver