斗轮机回转机构
slewing mechanisms of bucket wheel loaders
细纱钢领
low temperature electrolytic sulphurizing
斗轮机回转大轴承
large swing bearing of bucket conveyer
回转钢带冷凝成粒机
rotary steel-band chilling granulation
回转机械动力学
Dynamics of Rotational Machine
精细回转件
Precise rotative workpiece
掘进机回转架
whirling stand of boring machine