jointing piece meaning in English

连接件

In this paper , penman does some study - works as follows : the experiments of sixty jointing pieces and stressed skin diaphragm . through the experiment date researching and analyzing , the " p ? " curve of the stressed skin diaphragm is presented ; the analysis of jointing pieces data . the calculate method of loading capacity and range of shear rigidity value , the linker ' s dependability coefficient and the importance factor of linker are presented ; the calculate method definiteness
本文针对国内常用板型自攻螺丝连接的蒙皮体组合体做了整体试验，进行了以下几个方面的研究工作：进行了60个小试件的拉伸试验和蒙皮组合体的整体试验，记载了试验的应力应变数据，研究了连接点的受力状态以及构件连接点附近压型钢板的应力状态，得出蒙皮组合体的p ?曲线；小试件的拉伸试验数据分析。