This paper points out er head lose has different influence on different case, and if it is not handled properly, we would sometimes get the absurd result.
本文通过几种水击计算实例说明，水头损失对具体的情况有其不同的影响，处理不当，有时会得到荒谬的结果。
Before I had time to remember their names or say good-bye, we had to leave Po 'er Primary and head to a small girl's home.
在我还没看来得及一一记住他们的名字时，就不得不说着再见，就这样，我们离开了坡儿小学，前往一个小女孩的家。
Before I had time to remember their names or say good-bye, we had to leave Po 'er Primary and head to a small girl's home.
在我还没看来得及一一记住他们的名字时，就不得不说着再见，就这样，我们离开了坡儿小学，前往一个小女孩的家。
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