更新1:
pls look at the question b4 u answer once a year means one year a time twice a year, mean every half year tune the piano 2 times in a year so what is the reason of had it service for more frequently is just okay ? so unreasonable
pls look at the question b4 u answer once a year means one year a time twice a year, mean every half year tune the piano 2 times in a year so what is the reason of had it service for more frequently is just okay ? so unreasonable
收錄日期: 2021-04-19 16:38:38
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070914000051KK00397