齿轮-齿条传动
gear-rack transmission
Rack and gear transmission
齿轮齿条机构
Rack and Spur Gear Mechanism
Organization of Gear Wheel and Rack
gear rack mechanism
Pinion and Rack
齿轮-齿条机构
Rack and pinion mechanism
Pinion-and-rack mechanism
内摆线行星齿轮传动机构
hypocyloidl planetery gear mechanism
少齿差行星齿轮传动机构
planetary gear drive mechanism with small teeth difference
行星齿轮传动机构
Transmission Mechanism of Planetary Gear
转速表传动机构齿轮
tachometer drive gear wheels
不完全齿轮机构
imcomplete gearing
incomplete gearing
incomplete gear mechanism
intermittent gearing