液氮真空软管
深圳市澳莱优低温科技有限公司
p1Src=//y1.yzimgs.com/uploads/542067/20201222-184917622.jpg&p2Src=//y1.yzimgs.com/uploads/542067/20201222-184945659.jpg&p3Src=//y3.yzimgs.com/uploads/542067/20201222-184958649.jpg