螺纹IG/AG 发表评论 Warning: Array to string conversion in /www/wwwroot/htdocs/wp-content/plugins/wpjam-basic/public/wpjam-utils.php on line 496 螺纹规格以"AG"符号表示其为外螺纹,即AG为外螺纹的规格大小,分别表示为比如PGl6 IG表示内螺纹 Array