防爆门 防爆门抗冲击波常见的为:0.021Mpa=21Kpa,0.045Mpa=45Kpa,0.069Mpa=69Kpa. 销售服务热线:13932795611 公司地址:河北省泊头市工业开发区 邮箱:bwgc@126.com