double butt strap joint 双向搭板接合 ; 双对接搭板接合 ; 两面搭板接合

riveted double butt-strap joint 铆钉双复板对接接头

double butt strap seam 双衬板对接缝

double-butt strap 对接双衬板

double butt strap riveting 对接双面盖板铆接

double strap butt weld 两面盖板对接焊

double-strap butt joint 双盖板对接接头