Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/ec4ea9b9b36d329dee3ea52d4ae052c6.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 key way英英字典_key way剑桥英语解释_key way柯林斯英文解释_流逝汉英词典
1. N a longitudinal slot cut into a component to accept a key that engages with a similar slot on a mating component to prevent relative motion of the two components 键槽