词汇	product motives
释义	product motives 生产动机
随便看	self-propelled concreting plant self-propelled covered lighter self-propelled crane self-propelled crash test self-propelled crawler rock drill self propelled crust breaker self-propelled crust breaker self propelled cutter loader self-propelled cutter loader self-propelled depth-variable sonar self-propelled diesel train self-propelled digger self-propelled ditch digger self-propelled dredge self propelled drill self-propelled drill self-propelled driller self-propelled drilling jumbo self-propelled dump rake self-propelled electric locomotive self-propelled engineer machinery self-propelled ferry self-propelled fire-fighting car self-propelled flame-thrower self-propelled flax harvester