... As a blast primer for temporary protection of steel blast cleaned on site. 钢板现场喷砂后涂布于表面作临时保护膜。 Abrasive blast by cleaning nozzles清洁喷嘴研磨鼓风机 Remove rust, mill-scale and other loose material by abrasive blasting or power tool cleaning. 用喷砂或其他电动工具除去铁锈、氧化皮等。 ...