联接管部件由进口喇叭管、下联接管、联接管、出口管和底座采 用止口配合，通过螺栓依次固定成一起；
The connecting pipe elements are engaged with a spigot by an induction bell pipe, a lower connecting pipe, a connecting pipe, an outlet and a pedestal, all of which are fixed consecutively by a bolt.
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