We need to accelerate the pace of change in our backward country.我们应当为落后的祖国加快变革的脚步。With the example of the RH curer , the paper discusses how RP & M accelerate Knowledge Spire.以 RH 治疗仪为产品创新实例, 详细探讨了快速成型技术如何加快知识螺旋.Inflati...
West Africa was the pivot of the cocoa trade.西非是可可豆贸易的中心。The pedal had sheared off at the pivot.踏板在枢轴处断裂了。Forming the pivot of the exhibition is a large group of watercolours.整个展览的重点是一大组水彩画。...
许多金属冶炼操作中需要碳作为还原剂.Carbon is needed as a reducing agent in many metallurgical operation.氧化铝的进口禁令严格限制生产能力在100,000吨以下的冶炼商.Alumina import bans have been exacted against smelters with capacity below mts.本文介绍了铝硅热法生产高钨铁的工艺研究情况,...