head band

用法例句

The paper discusses such a change that will have an effect on the pipeline joint mode and the development of pipeline joint techniques, especially the sealing principle, characteristic of buckle tie-in.

论述了模块化设计建造技术下管路连接方式的变化及管路连接技术的研究进展,着重对卡箍式管接头、TiNi记忆合金管接头的密封原理、特点及模块化设计建造管路对接的优化准则进行论述。