EF-2二阀组-声明：本文中所有文字、数据、图片均只适用于参考。闸阀目录国标波纹管法兰截止阀钢制截止阀J41H-16C德标截止阀角式截止阀内螺纹针型截止阀JLH多功能、高压平衡式截锻钢法兰端阀门锻钢Y型阀门J61Y/J961Y/J962Y/J561Y电站截止QJT30-12直通式截止阀QJT150-4直通式截止阀QJT200-8直通式截止阀QJT200-10直通式截止阀QJT200-15直通式截止阀QJT200-20直通式截止阀QJT200-25直通式截止阀QJG150-4直角式截止阀QJG200-8直角式截止阀QF-51A直角式截止阀)