试验结果表明：自攻自钻螺钉群连接件具有“群体折减效应”。

The destructive mechanism of self-drilling screws connection is recorded in the test.

youdao

首先，对单颗自攻自钻螺钉连接件和自攻自钻螺钉群连接件进行了抗剪承载力试验研究。

The study's focus is describing the detailed results on bearing capacity of self-drilling screws connection by tests and numerical analysis. A more proper method is recommended.

youdao

首先，对单颗自攻自钻螺钉连接件和自攻自钻螺钉群连接件进行了抗剪承载力试验研究。

The study's focus is describing the detailed results on bearing capacity of self-drilling screws connection by tests and numerical analysis. A more proper method is recommended.

youdao