As such a technical scheme is adopted, the cover plate is made with the plastic suction art and the production cost of parts is reduced.
由于采用这样的技术方案，采用吸塑工艺制作该件，可以使零件的制造成本得到降低。
The utility model relates to a water pot with a rotary automatic-telescopic water suction tube and is mainly characterized in that a pot body is covered with a pot cover.
一种旋转式自动伸收吸水管的水壶，它包括：一具有容室和一开口端的壶身；
Double suction impeller is on both sides of the water, the impeller cover plate is symmetrical, the general flow of centrifugal pump double suction impeller.
双吸式叶轮是两边吸水，叶轮盖板呈对称状，一般大流量离心泵多数采用双吸式叶轮。
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