求翻译：这些材料具备良好的机械、加工性能，并拥有减噪减重的优势，为汽车原始设备制造商提供了传统高密度工程材料的替代品，并已在宝马、菲亚特、通用等汽车的顶尖汽车部件和引擎盖下的先进装置上得到应用。用于踏板和前端模块的XmodGD301FE材料，比聚酰胺材料至少可减轻15%的质量并降低10%的系统成本。是什么意思？

These materials have good mechanical and processing properties, and has a noise reduction of the advantages of weight loss, provide a substitute of the traditional high-density engineering materials for the automotive original equipment manufacturers, and has been in the BMW, Fiat, General Motors, t

正在翻译，请等待...

They have good mechanical, processing performance, and has a noise reduction of weight re