提出了一种利用原桥墩、台架设临时钢便桥与原桥组合受力共同承担大件通过的运输方案。
A new way that both steel temporary bridge supported by the primary piers and the simple-supported beam bridge work together to bear the heavy loa.
通过与单电桥相比，得出双电桥桥臂电阻与电桥灵敏度的关系，从而确定了双电桥桥臂电阻选择的原。
Compared with single bridge, the relationship between the arm resistance of double bridge and its sensitivity can be determined.
以隔离型对称半桥双向变换器为对象，建立了以原边为参考的4种模式下的简化电路，提出了结合开关函数的状态空间平均模型的建立方法。
For isolated-type symmetry half-bridge bidirectional converter with phase-shifted control, a simplified circuit under 4 modes using the primary windings of transformer as reference object is built.
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