Warning: file_put_contents(): Only 0 of 5113 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/oclz.com/index.php on line 55 setscrew英英字典_setscrew剑桥英语解释_setscrew柯林斯英文解释_菜篮子兴趣思朗文词典
1. N a screw that fits into the boss or hub of a wheel, coupling, cam, etc, and prevents motion of the part relative to the shaft on which it is mounted 固定螺丝钉