how long has it been since you have had this engine tuned ?麻烦人工翻译_英语解答

how long has it been since you have had this engine tuned ?麻烦人工翻译一下

人气：445 ℃　时间：2019-08-23 10:33:58

解答

从你让这机器运转到现在有多长时间了这里tune具体什么意思这句话出现在什么地方？可能是问你多久没有调试这机器了