相关单词近义词 hard rubber 硬质橡胶, 硬质胶, 硬橡胶..., ebonite 硬化橡皮临近词vulcan, vulcanization curve, vulcan-ized paper, vulcanizing machine, vulcanization level, vulcanization system, vulcanized fatty oil, vulcanization degree, vulcanite stomatitis, vulcanizing autoclave, vulcanization process 返回 vulcanite