有两个玻璃杯,一个厚厚的,看上去很结实;一个薄薄的,看上去就要碎。水开了,你会用哪个装水呢?很多同学为了保险起见都会选择厚的那个吧。可是滚滚的开水倒进去,厚杯子竟然炸裂了,倒是那个薄的,用开水冲过很多次也没破。这是为什么呢?这是因为玻璃的传热能力差。滚烫的开水冲进 There are two glasses, a thick one that looks very strong; a thin one that looks broken. When the water is opened, which water will you use? Many students will choose the thick one for safety reasons. However, the boiling water poured into the thick cup actually burst, but that thin, flushed with boiling water many times did not break. Why is this? This is because of the poor heat transfer capability of the glass. Hot boiling water rushes into