Phy...........
回答 (2)
2007-02-17 10:13 pm
✔ 最佳答案
當然係plastic啦copper 係 metal, 良好導體黎架嘛
2007-02-17 11:17 pm
plastic
因為大多數保溫杯都係用plastic,,,,好少用copper
就算有都係真空左嫁!!!!!!!!!!!!!!!!!
因為大多數保溫杯都係用plastic,,,,好少用copper
就算有都係真空左嫁!!!!!!!!!!!!!!!!!
收錄日期: 2021-04-18 20:55:41
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070217000051KK01671