The composites are used widely in modern fuel cells and space,and many thread joints are used in the composite structures in order to connect and fix all kinds of substructures,sensors and etc.

• 为了联接和固定这些复合材料的各个子结构和各类传感器等,燃料电池和航空航天复合材料在结构上经常采用大量的螺纹联接。