Bridgestone is one of the first tyre manufacturers to introduce the technology needed to replace conventional dual tyres bus and truck drive axles with single ultra-low aspect ratio unit. While the so-called GMD (Greatec Mega Drive) concept poses considerable performance challenges, the advantage are very significant for weight reduction, lower rolling resistance, narrower dimensions and so on. Each GMD tyre is required to support the load and torque that would be shared by two tyres on conventional dual-mounted axles; it is therefore subjected to very heavy working conditions. Bridgestone invented unique belt and bead constructions to provide incredible durability for GMD. Bridgestone will present such invention.
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机译：普利司碑是第一个推出用单个超低纵横比单元更换传统双轮胎总线和卡车驱动轴所需的技术所需的技术之一。虽然所谓的GMD（GELDEC MEGA DRIVE）概念构成了相当大的性能挑战，但优势对于减重，滚动阻力，较窄尺寸等的重量非常显着。每个GMD轮胎都需要支撑载荷和扭矩，以在传统的双安装轴上共用两个轮胎;因此，受到非常重的工作条件。普利司通发明独特的皮带和珠子结构，为GMD提供令人难以置信的耐用性。普利司通将出示这种发明。
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