The Mandela Challenge Plate is contested by South Africa and Australia during the annual Tri-Nations competition.
在年度三国赛中，南非和澳大利亚争夺曼德拉挑战奖盘的归属。
2
Tri-metal plate Offset plate for very ling run work where three layers of metal are used in manufacturing the plate.
三层金属版用在层不同金属造成，能作极大印量的柯式印版。
3
The triplate horizontal mould with nonrigid surgical sponge inserts was developed to establish an industrial system for shaping surgical sponge which is used for cataract operation.