close grain

英 美
  • 细晶粒
  • close v.关;合拢;不开放;停业;结束;收盘;(使)缩小;牢牢握住或抓住;(使)靠拢;同意;短兵相接adj.亲近的;近的;几乎的;闷热的;严密的;紧凑的;剪得很短的;守口如瓶的;吝啬的;势均力敌的adv.接近;靠近;紧紧地n.死胡同;完结;结论
  • grain n.谷物;谷类;微量;颗粒;纹理;格令v.形成(颗粒);(用谷物)喂养
    1. The methods to obtain ultrafine grain in new generation steel were investigated.
      探索了在新一代钢中获得超细晶粒的方法。
    2. The microstructure and fine structure of weld fusion zone for high strength fine grain steel were studied.
      研究了高强度细晶粒碳素钢焊接接头熔合区附近的显微组织及精细结构。