【机械工程】有飞轮离合器的齿轮装置

gearing with gears shiftable otherwise than only axially

rotary-drilling machine with gearing for mining

friction gearing

rack-and-pinion gearing

rolling vane gearing, hydrostatic

variable ratio planetary gearing unit

serial circuit (serial mounting) gearing, hydrostatic

speed gearing rotary-drilling machine with speed gearing for mining