真空过滤器的下端通过设有排液阀的管道与一循环泵连接。
The lower end of the vacuum filter is communicated with a circulating pump through a pipeline which is provided with a tapping valve.
所述上端喇叭状物料入口、下端收缩状物料出口还可以直接与进出料输送管道连接，以实现密封检测。
The entrance and the outlet also can be connected with the material transmitting channels directly in order to realize sealing detection.
溶洞像一个底下管道使熔融岩石从火山下端流走。
Lava tubes serve as underground pipelines, allowing molten rock to flow under and away from volcanoes.
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