珍爱生命，和“夺命保温杯”说再见

视频节点： 

00:31  保温杯如何保温？ 

01:55  保温杯的陷阱？ 

03:19  如何选购保温杯？

参考资料：

[1] SS 304 Stainless Steel Properties, Tensile Yield Strength, Magnetic, Hardness 

[2] AISI 316 Stainless Steel Properties, SS 316 Grade Density, Composition, Yield Strength, Thermal Conductivity.