backflow是什么意思_backflow怎么读_音标'bækfləʊ
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backflow是什么意思音标:英 ['bækfləʊ]美 ['bækfloʊ]
n. 逆流, 回流
[医] 回流, 反流
n. a flow that returns toward its source
backflow的用法和例句：
1.And where the blood backflows to, that's the valve, that's how you avoid hitting it.
血管回流的地方 就是节点 绝对不能扎到
2.The hole reduced the pressure when it got too high because it allowed backflow.
当压力过大时 那个洞能降低压力 因为它允许返流
3.I have five oke detectors, 16 sprinkler heads, and a backflow preventer to install.
我還要裝五個煙霧探測器 十六個噴水頭 還有一個防回流閥