化学稳定性好的釉(玻璃),其硅氧四面体互相连接的程度是()
A、连接程度高
B、连接程度低
参考答案:A
根据句义和首字母完成下列单词。
1. How do you f______? I'm cold.
2. Lynn h______ short, red hair.
3. We go to school on f______.
4. We see with our e______.
5. What do you d______ on the wall?
6. What c______ is your hair? Black.
铸件收缩率