https://item.m.jd.com/product/4422876.html?utm_user=plusmember&gx=RnExwWcNPDeMytTDHCiiw7RpWxcGRw0&ad_od=share&utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=CopyURL
安利贴https://www.douban.com/group/topic/249423841/
需要两张券300-20和300-30
最后算下来破壁机不到250