circumfluence例句

Is circumfluence spent in heart blood how to treat?
心脏血液中度回流怎样治疗?

In chemical experiments, circumfluence will lead to the explosion of test tubes.
在化学实验中, 回流会造成试管炸裂.

The siltation relates with the circumfluence.
淤积的主要原因是回流淤积.