manually operated fire resisting door 手控防火门
fire-resisting door 抗火门
fire resisting self-closing door 防火自掩门
fire-resisting steel sliding door 防火钢推拉门
fire reel resisting door 防火门
fire resisting timber door 防火木门
·2,447,543篇论文数据，部分数据来源于NoteExpress
应用推荐
模块上移
模块下移
不移动