Warning: mysqli_query(): MySQL server has gone away in /data0/www.bihec.com/wp-includes/class-wpdb.php on line 2431

Warning: mysqli_query(): Error reading result set's header in /data0/www.bihec.com/wp-includes/class-wpdb.php on line 2431

美国O’Keefe Controls,精密金属孔,10-32 UNF连接,F放气塞,尺寸根据配合几何形状,从0.004英寸到最大可达0.063英寸的孔径不等,可定制定制尺寸