GB4943耐热试验装置 BS1363-Fig24
2024奥门中特钢49049
p1Src=//y1.yzimgs.com/uploads_old/312390/2015081715002749_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/312390/2015081715002763_old.jpg&p3Src=//y1.yzimgs.com/uploads_old/312390/2015081715002774_old.jpg