the film thickness and traction coefficient between traction drive elements are measured.
实测了该装置牵曳传动元件间的弹流膜厚和牵曳系数。
the article describes the close relation between electric traction drive and power electronic devices that improve and rely on one another.
阐述电力牵引传动与电力电子器件相互促进和相互依存的密切关系。
train traction and braking performance is the most important characteristic of the train, which is an important basis for the design of train traction drive system.
列车的牵引与制动性能的计算研究,是列车设计必须进行的最基础的工作;
negative impedances lead to dc-link voltage and current oscillation in metro traction converters and so to reduction of stability of traction drive systems.