https://www.ebay.com/itm/N52-Big-Strong-Round-Magnets-50mm-x-5mm-Hole-6mm-Disc-Rare-Earth-Neodymium/192183102522
• 我用的跟这个类似,从没掉过。 -dvdport- ♀ (0 bytes) () 11/07/2019 postreply 10:25:50