Warning: file_put_contents(/www/wwwroot/ppbbbu/5356789.com/cache/7f37aa5f0231aeaf53d2115216afa884.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/5356789.com/index.php on line 55 ball joint英英字典_ball joint剑桥英语解释_ball joint柯林斯英文解释_零六五六深蓝词典
1. N a coupling between two rods, tubes, etc, that consists of a spherical part fitting into a spherical socket, allowing free movement within a specific conical volume 球窩接頭