And unique sand-settling pipe is also designed to prevent the sand from plugging the discharging pipe as fluid stops flowing.

最后为防止液体停止流动导致砂堵排出管，设计了结构独特的沉砂管。

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And unique sand-settling pipe is also designed to prevent the sand from plugging the discharging pipe as fluid stops flowing.

最后为防止液体停止流动导致砂堵排出管，设计了结构独特的沉砂管。

youdao