pressure flow

• 有压流,回流

pressure flow的用法和样例：

例句

1. This backwash current is governed by volume of water and flow.
   回流的水流是由水量及流动决定的。
2. Through retrograde flow, the dorsal branches also supply all of the proximal pole.
   通过血液回流，背侧的血管可以为整个舟骨的近极供血。
3. The Pacific tilting disc check valve uses gravity to rapidly close the disc upon reversal of flow.
   美国太平洋翻转式阀瓣止回阀在出现逆流时利用重力迅速关闭阀瓣。