地动仪全部用精铜铸成，外形像一个带盖的大茶杯。

It was made of fine copper, and looked like a big cup with a lid.

youdao

带钢热连轧精轧机组穿带后的头部厚度精度- - -头部命中率将直接影响绝对AGC的工作，其重要手段是靠提高设定模型精度、模型自学习的收敛速度。

It is necessary to hit accurately the head of the strip for applying absolute AGC in hot rolling mill, important means are to improve accuracy of set-up model and convergence of self-learning model.

youdao

PV D黑色精钢表壳搭配红色缝线黑色皮革，带刻度黑色表盘，时、分、秒显示功能。

PVD black steel case and black leather with red stitching, black dial with index, Function hour-minute-second.

youdao