填空题

DuPont is responsible for the better acceptance of taughened glass around the World.

【参考答案】

Y

<上一题目录下一题>

热门试题

填空题

Since taughened glass can replace shutters in downtown stores, it provides the store with______.

填空题

The main reasons why architects use toughened glass is because it is slightly cheaper than other kinds of glass.