WCB | 2Cr13 | 13Cr STL 木体材料 With Body Material 尼龙 Nylon | 增强柔性石墨 13Cr/柔性石墨 Enhanced Flexible Graphite 1Cr13/Flexible Graphite SFB-2 08软钢 08 Soft Steal F304 F316 F304L F316L | 柔性石墨 增强柔性石墨 Flexible Graphite Enhanced Flexible Graphite SFB/260 SFP/260 PTFE | ≤425 | 水 蒸汽 油品 Water Steam Petroleum Products |