Characteristics of endboard of heat exchanger of air conditioner have been introduced with technology analysis of several products and introduction of structure features of piercing die.
介绍了空调机换热器端板的结构特点，对其几种产品进行了工艺分析，在此基础上设计了端板冲孔模。
2
The LSE spokesman said Monday that Rolet expects the international board to be ready by the end of next year.
上述伦敦证券交易所发言人周一说，罗瑞铎预计国际板将在明年年底前准备就绪。
3
That's the argument I put up on the board at the end of last class.