“硬橡胶”的拼音？

在演示中,常用硬橡胶棒和毛皮.Hard rubber and fur are commonly used in demonstrations.硬橡胶外底, 改良网线格式, 牵引效果最大.Hard rubber outsole, improved reticle format, drawing effect is the biggest.这种产品是硬橡胶制成的.This product is made of vulcanite....

“硬橡胶”的英语可以翻译为：hard rubber，ebonite，vulcanite ...