on 优质碳素钢РStainless steel 不锈钢РStainless acid-resisting steel 不锈耐酸钢РChromium-molybdenum steelР 铬钼钢РChrominm-molybdenum-vanadium steel 铬钼钒钢РSpring steel 弹簧钢РChromium stainless steel 铬不锈钢РGray Cast iron 灰铸铁Рnodular cast iron 球墨铸铁РDuctile Cast iron 球墨铸铁РChromel alloy 镍铬合金РHayne's alloy 钴铬钨合金РHigh tem perature steel 高温钢РLow tem perature steel 低温钢РMonel 蒙乃尔合金 Рbar 棒材 Рbillet 方钢,钢方坯 Рbloom 钢坯,钢锭 Рsection 型材 Рsteel ingot 钢锭 Р阀门材质-有色金属材料Рbronze 青铜 Рbrass 黄铜 РPure cupper 纯铜РCuprum alloy 铜合金РCasting aluminium brass 铸铝黄铜РCasting aluminium bronze 铸铝青铜РPure aluminum 纯铝 Р阀门材质-塑料材料РNylon 尼龙塑料РPolytetrafluoroethylene 聚四氟乙烯 Р阀门材质-橡胶材料РCHR rubber 氯晴橡胶РBuna-N rubber 丁晴橡胶РRubbeer graphite board 橡胶石墨板РFluorous rubber 氟橡胶 Р阀门材质-其他材料РExpanded graphite 柔性石墨РStainless and Graphite 不锈钢/石墨Рstock 原料 РCeramic metal 陶瓷金属
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