It would be better placed on pump suction fluid entering the bottom layer of segment, if placed in the top of the gas separator should be used.

最好是将泵吸入口置于流体进入层段的下方，若置于上方则应使用气体分离器。

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Check valve should be installed in the bottom of suction pipe of pump to make sure operation is prompt.

泵吸入管路底部应安装截止止回阀，确保其操作灵活。

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A vibrating bottom mechanism was developed to overcome the piled grain on the bottom of the air suction pipe.

为解决气吸式割前摘脱装置的气流吸运管路底板上偶尔产生物料积存的问题，设计了一种底板振动装置。

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Dredging: excavation, digging, scraping, draglining, suction dredging to emove sand, silt, rock or other underwater sea-bottom material.

UNESCO: L O S S A R Y