triple riveting

例句：

1. 1. The car was triple-riveted to the frame for extra strength and durability.
   这辆车被三重铆接固定在框架上，以增加强度和耐用性。
2. 2.The construction of this bridge required triple-riveted beams to withstand heavy loads.
   这座桥梁的建设需要三重铆接的梁来承受重载。
3. 3.The engineer used a special triple-riveted bolt to secure the joints in the roof.
   工程师使用了一种特殊的三重铆接螺栓来固定屋顶的接缝。