研究认为热处理提高了TPU的微相分离程度，完善了TPU中的软硬段结构。
It's caused by the micro phase separation degree of TPU is increased as well as the soft hard segment structure is perfected.
介绍了铁路货车段修专用的滚动轴承、轴颈测量与选配系统的软硬件结构与功能。
Described are the structure and the function of hardware and software of the measuring and allocating system for roller bearing and journal of the freight car.
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