The happy blood is unable the backflow centripetal dirty.
幸福的血液无法回流向心脏。
The happy blood is unable the backflow centripetal dirty.
的血液无法回流向心脏。
Since then we installed a backflow valve so it was less this time.
自从那时起，我们安装了一个逆流阀，所以这次少了很多。
Who could go back in time, even if backflow, and we can hold for what?
谁也无法将时光倒流，就算倒流，我们又能抓得住什么呢。
When engine off, prevents in pump's water backflow to the equipment in;
停机时，防止泵内的水回流到设备内；
In the overhaul pump and output pipe, the system of fluid backflow will not occur.
这样在检修泵及输出管道时，系统中的液体不会发生倒流。
In the overhaul pump and output pipe, the system of fluid backflow will not occur.
这样在检修泵及输出管道时，系统中的液体不会发生倒流。
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