Give outed the big stalk the trolley turned the place of method for building steel plate replacing double song way.

给出了大轴距台车转弯处铺设钢板代替双曲弯道的方法。

youdao

Give outed the big stalk the trolley turned the place of method for building steel plate replacing double song way.

给出了大轴距台车转弯处铺设钢板代替双曲弯道的方法。

youdao