Brief Introdution for Standard of P. R. C. "Road vehicles-mechanical Coupling Between Tractors and Semi-trailers Interchangeability".
国标《道路车辆——牵引车与半挂车之间机械连接互换性》简介。
Brief Introdution for Standard of P. R. C. "Road vehicles-mechanical Coupling Between Tractors and Semi-trailers Interchangeability".
国标《道路车辆——牵引车与半挂车之间机械连接互换性》简介。
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