cross shaft reduction gear
die block type gear reduction unit
epicyclic reduction gear
mechanical reduction gear
overall reduction gear ratio
Reduction Gear
减速器减速装置
减速装置
减速齿轮
减速齿轮、减速装置
减速机
减速器
single reduction gear unit
1 000 kV main transformer
10CrMo910 main steam pipeline
220 kV main transformer