趣英语 / 查找:y” [共找到1条结果]
  • y造句

    The Y - eccentrically braced steel frame has excellent seismic resistance and energy - dissipation.型偏心支撑钢框架具有很好的抗震耗能能力.One might expect azomethane to have a Y structure similar to that of acetone ( CH 3 ) 2 CO.可以预期偶氮甲烷分子...