Bolt connection for inlet cover and outlet cover ensure easy maintenances and cleanness.

进风盖和出风盖采用螺钉连接,便于维修与清洁.

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To the bolt connection of segments, the cost is expensive, and the construction procedure is complex.

同时,管片间的螺栓联接费用高 、 工序复杂, 而且对管片接头部位的制作要求高.

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In the meantime a new connection method called stress wave bolt connection is introduced.

另外,还介绍了一种新的干涉配合螺接方法——应力波螺接.

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