无线仿真电动大号挖掘机工程车;此类玩具通常具有高仿真度、高互动性、高娱乐性等特点，不仅能激发儿童的兴趣和创造力，还能帮助孩子培养动手能力和空间想象力。 Tube_28-excavator base assmebly.sldasm(24.5KB)，Tube_24-excavator base assmebly.sldasm(24.5KB)，Tube_23-excavator base assmebly.sldasm(24.5KB)，Tube_22-excavator base assmebly.sldasm(24.5KB)，Tube_19-excavator base assmebly.sldasm(25KB)，Tube_13-excavator base assmebly.sldasm(24.5KB)，Tube_11-excavator base assmebly-001.sldasm(25KB)，chain sub assembly.sldasm(26KB)，excavator hup assembly.sldasm(25KB)，gear pump.sldasm(24KB)