拖拉机造型  Tractor style; Tractor modeling

挤齿机设计浅析  Designing analyse about Squeeze-tooth-machine

变型拖拉机  derivative tractor

标准型拖拉机  standard tractor

大型拖拉机  large sized tractor; Large tractor; large pedrail tractor; large-type tractor; big tractor

集约化重型拖拉机  power intensive tractor

巨型拖拉机  giant tractor

农用小型拖拉机油  agricultural miniature tractor

上海-50型拖拉机  SH-50 tractor

拖拉机机架  tractor frame

拖拉机机架地板平面  tractor frame floor pan

拖拉机机架接地  tractor frame ground

拖拉机机具  tractor implement

拖拉机机具作用  tractor implement function

拖拉机机械式样板刮产器锁  tractor mechanical screed lock

拖拉机计时表  tractor service meter gauge

拖拉机计时器  tractor service meter

拖拉机计数器  tractor counter

拖拉机拖车  tractor trailer