... 吸入口 intake opening 吸入喇叭 suction bell 吸入弯管 suction elbow ...
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吸入喇叭口 suction cone ; suction bell
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吸入室安装在异径 管的喇叭口端，吸入室的另一端为吸入口。
The sucking room is provided on the bellmouthing end of the reducing pipe, another end of the sucking room is a suction inlet.
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泵吸入口有通常的喇叭形或改进的椭圆导流墩两种。
The inlet has two types: the usual trumpet type and the changed ellipse frusta type.
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