【机械工程，照明，加热，武器，爆破】控制离合器的齿轮【机械工程】离合器控制齿轮

clutch-controlled pedestal change-speed gear, pedestal change-speed

sliding gear mechanism, clutch-controlled gearing and gearing, pedestal gearing

clutch-controlled pedestal change-speedgear

sliding gear mechanism and clutch-controlled gearing, pedestal gearing

clutch-controlled gearing and sliding gear mechanism, pedestal gearing

reversing gear clutch-controlled gearing and sliding gear mechanism