Laser spot welding will take the place of the traditional joining methods such as resistance welding and rivetconnection for its high precision and high efficiency.
激光点焊具有高精度，高效率等特点，在航空航天工业中有望替代传统的电阻点焊和铆接等连接方法。
2
The nylon rivet realizesthe function of connection and fastening by utilizing the flexibility and shape memory of nylon material.
主要利用尼龙材料本身的弹性和记忆性能，从而实现其连接和紧固的功能。
3
The R rivet realizes the function of connection and fastening by utilizing the flexibility and shape memory of nylon material.