【简答题】
When it is used, insert the plug into the power socket. The function switch has three grades of strong, middle and weak. If you massage (按摩) two or three times (one time lasts about 20 minutes, one to five minutes for each acupoint [穴位])every day and insist on two courses of treatment(five days is a course), you will achieve evident effect.
举报
参考答案:
参考解析:
举一反三