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...
Yahoo is the oldest and best-known Web directory service.雅虎是最早且最知名的因特网目录服务网站。...one of her most engaging and least known novels...她最有趣却最不知名的小说之一Gillespie is well known for his impish sense of humour.吉莱斯皮以他精灵搞怪的幽默感而广为人知。B...
The turf fibre cover is provided with the fertilizer, bactericidal agent and dicotyledon herbicide.所述草纤维覆盖层置有肥料, 杀菌剂,双子叶除草剂.Potent intracellular bactericidal action may be exerted through the myeloperoxidase - hydrogen p...