丹麦涂料巨头海虹老人集团（Hempel A/S）近日宣布推出其最新研发的被动防火（PFP）解决方案——Hempafire Extreme 550。

aim – the general skills or fitness you plan to improve for which sport and why profile of who the PFP is for – age, sex, performance level, experience brief overview of training programme ...