Field measuration and printout of lift parameter with DT 98 A lift acceleration intelligent measuring instrument.本文利用DT98A电梯加速度智能测试仪实现电梯性能参数的现场测量,并现场随机绘图打印测量结果.Fig 2 . Open - window envelopes, showing receivers'name...
一天早晨, 彼得的爸爸带着彼得去看金门桥.One morning, Peter's father took Peter to the Golden Gate bridge.可是,这条通道为什么叫做‘金门’ 呢 ?”But why is the opening called the Golden Gate?金门桥面一定该是金色的 吗 ?Will the Golden Gate Bridge ever be golden?...