Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/6eb23eeb7eb0b06d71d0ca3e1f8f883d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 match mark英英字典_match mark剑桥英语解释_match mark柯林斯英文解释_贰靶汉英词典
1. N a mark made on mating components of an engine, machine, etc, to ensure that the components are assembled in the correct relative positions (发动机、机器等上的)装配标记