bell and spigot

基本解释

Different corrosion prevention measures for the bell and spigot joints of the pipe and the prestressed steel bares are adopted to ensure the safety performance in marine environment.
通过对管道承插口和预应力钢筋采取不同的防腐措施确保管道在海水环境中达到安全使用的目的。
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.
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；
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