spray repair

• 喷补

spray repair的用法和样例：

例句

1. Gunning Repair technology, as a main way to repair metallurgical furnaces, has become a topicof widespread concern of all metallurgy researchers.
   喷补技术作为冶金炉窑修补的一种重要手段，正日益受到冶金界的普遍重视。