于友

于友于友
  1. 没错,免费的啤酒非常有助于维系友�

    Yes , free beer is a terrific way to maintain friendships .

  2. 球拍弹性非常好、量超轻,适用于小球友们日常拉球训练和网前拦截;

    Good elasticity , super light in weight , which is conformable for juniors daily practicing and holding up before net ;

  3. 介绍了一种适用于阜新艾友矿动力商品煤的快速测定灰分方法,可在指导该矿选煤生产或动力商品煤灰分检查中起参考作用。

    A kind of the quick determination of ash yield of commercial coal in Aiyou Mine , which can be a reference to coal preparation or the determination of ash yield , is introduced in the paper .