Adaptive attenuation technology of high-speed rail bogie polyurethane catalyst PT303 vibration spectrum

adaptive attenuation technology for vibration spectrum of high-speed rail bogies polyurethane catalyst pt303 introduction: the “foot” of the high-speed rail and its “shoes” in the world of high-speed rail, the bogie is the “foot” of the train, and the polyurethane catalyst pt303 is a pair of “shoes” customized for these feet. without good shoes, no…