In this paperbase tangent length is put forward and lead angle calculating formula is deduced.
这篇文章提出了公法线长度并推导出超前角的计算公式。
2
The third revision of National Standard《paperbase asphalt felt》was done.
《石油沥青纸胎油毡》国家标准进行了第三次修订。
3
Numerical simulation and calculation in theory are done for the beams strengthening with prestressed CFRP sheets in this paperbase on the present experimental results.