die block type gear reduction unit

single reduction gear unit

cross shaft reduction gear

double reduction gear

epicyclic reduction gear

gear reduction ratio

mechanical reduction gear

overall reduction gear ratio

Reduction Gear

reduction gear ratio

triple reduction gear

direct reduction unit

speed reduction unit

bevel gear of gear box

identical unit or proportional unit of the body

time-rock unit =time-stratigraphic unit

20CrMnTi gear

20CrMnTiH Gear Steel

28MnCr5 gear steel