Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/b47661f050d6bcd77f5663dd238f5892.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 double riveting例句_double riveting英汉例句_double riveting双解例句_流逝汉英词典
In order to facilitate a and riveting, with embedded flank round profile and double core of all cases section shape can be used. 为了便于嵌位和铆接，带侧翼的圆形剖面和双芯形的剖面都情况下可以使用。