是non-stick吗? 清洗麻烦吗? 谢谢啦
https://www.amazon.com/Mauviel-Mheritage-9-piece-Cookware-Handles/dp/B00KI0FG9W/ref=sr_1_1_sspa?s=kitchen&ie=UTF8&qid=1512356778&sr=1-1-spons&keywords=mauviel+copper&psc=1