Vulcani武尔卡尼vulcann.锻冶者Vulcan.n.罗马神话中火与锻冶之神vulcanization properties硫化性能vulcan chain pipe wrench链扳手vulcanized silicon resin硫化硅橡胶vulcanization activation硫化活化剂vulcanized rubber powder精细胶粉vulcanizable plasticizer可硫化的增塑剂vulcanization accelerator硫化促进剂Vulcan Air Defense System"火神"导弹防空系统vulcanization coefficient硫化系数vulcanizable polyethylene可硫化聚乙烯