齿轮传动

gear drive

tooth / CL:顆|颗[ke1]

(machine) gear / pinion (gear wheel)

wheel / disk / ring / steamship / to take turns / to rotate / by turn / classifier for big round objects: disk, or recurring events: round, turn

wheel; disk; ring / steamship / to take turns; to rotate / classifier for big round objects: disk, or recurring events: round, turn

to pass on / to spread / to transmit / to infect / to transfer / to circulate / to conduct (electricity)

biography / historical narrative / commentaries / relay station

drive (transmission in an engine)

(of sth) to move / to set in movement / to displace / to touch / to make use of / to stir (emotions) / to alter / abbr. for 動詞|动词[dong4 ci2], verb