an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products
Elastic rubber method and rigid blank holders were used to apply blank holder force with different methods. 对压边力的控制采用了弹性橡胶控制法和刚性直接控制法。
Goodyear, an American, had been trying to find a way in which rubber could be made hard, nonsticky, and yet elastic. 一个名叫固特异的美国人曾经想方设法地寻找一个能使橡胶变硬不粘且有弹性的方法。