【简答题】叠合板吊运及就位做法正确的是( )A. 叠合板吊点采用预留拉环方式,在叠合板上预留四个拉环,叠合板起吊时采用平衡钢梁均衡起吊,与吊钩连接的钢丝绳与叠合板水平面所成夹角不宜小于 45゜。 B. 叠合板吊运宜采用慢起、快升、缓放的操作方式。 C. 叠合板就位前,清理叠合板安装部位基层,在信号工指挥下,将叠合板吊 运至安装部位的正上方,并核对叠合板的编号。 D.叠合板起吊区配置一名信号工和两名司索工。...
【简答题】Bayer cares about the bees.Or at least that’s what they tell you at the company’s Bee Care Center on its sprawling campus here between Düsseldorf and Cologne. Outside the cozy two-story building that ...