freezing and expanding

• 冻胀

freezing and expanding的用法和样例：

例句

1. Its execution process of pit monitoring was introduced and some conclusions about temperature variation and frost boiling force were drawn under the freezing method construction.
   介绍了对南锚碇基础基坑设计实施监测的全过程，得出了在冻结法中温度变化和冻胀力改变的规律。