对后烟井前墙包复鳍片管结构突变处进行定性力学分析，针对性地提出相应措施及制造、安装时注意事项。

Qualitative mechanical analysis was made for special structure of back pass front wall, and relevant measures and notices for manufacturing and erection are presented.

youdao

对后烟井前墙包复鳍片管结构突变处进行定性力学分析，针对性地提出相应措施及制造、安装时注意事项。

Qualitative mechanical analysis was made for special structure of back pass front wall, and relevant measures and notices for manufacturing and erection are presented.

youdao