烧流
参考答案：
当烧成温度过高时，液相粘度很小，像流水一样流动，这种现象在操作上称为烧流。
NBCA胶的特点（）
A.易溶解
B.固体
C.血液中迅速凝聚成块
D.短期栓塞剂
E.有抗原性
开放作文。
请根据下面提示，写一篇短文。词数不少于50。
In your spoken English class, your teacher shows you the following picture You are asked to describe
the picture and explain how you understand it.
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