2 小时前 网友采纳 gb/t41一2000是光螺母,是有倒角的.
图片尺寸
416x245
上传时间
2026-04-01 10:14:55
关键词
沉头螺母示意图
Fatal error: Uncaught Error: Call to undefined function getWebsiteConcatenationStatus() in /www/wwwroot/www.78289.com/templates/5/image.html:91 Stack trace: #0 /www/wwwroot/www.78289.com/project/image.php(163): include() #1 /www/wwwroot/www.78289.com/project/index.php(76): require_once('...') #2 /www/wwwroot/www.78289.com/index.php(2): require_once('...') #3 {main} thrown in /www/wwwroot/www.78289.com/templates/5/image.html on line 91