Pezzo takes tight turn downhill as spectators line the side of track.佩佐下山急转弯,观众站在赛道旁观看.With eleven thousand employees, it's very difficult to keep track of them all.对于一支1.1万人的员工队伍，很难及时了解到所有有人的动态。Dozens of miles of r...
黄铜是铜锌合金。Brass is an alloy of copper and zinc.车上装的食品是用铬合金做的.The trimmings on the car are made of chromium.工人在合金里搀了一点铜.The worker worked in a little copper with the alloy....
To assess the effectiveness of treatment of menisci injuries by arthroscope.目的探讨关节镜手术治疗膝关节半月板损伤的临床疗效.Methods: Using the arthroscope to treat 44 patients with tibial plateau fractures.方法应用关节镜监视下复位固定塌陷及分离移位治疗胫骨平台骨折44例.Obje...