Siemens' scope of supply includes: train control and diagnosis system, traction inverter, auxiliary inverter, brake resistor, HV box and Pantograph, as well as traction motor and gear box.
西门子负责的部分包括：列车控制及诊断系统、牵引逆变器、辅助逆变器、制动电阻、高压箱及受电弓，以及牵引电动机和齿轮箱。
When the expressway off-ramp flow and auxiliary road flow increases, it is easy to lead to the downstream intersection congestion which will spread to the upstream off-ramp scope rapidly.
快速路出口及辅路通过的流量增大时，易造成出口下游交叉口的拥堵，同时拥堵会向上游蔓延造成快速路出口范围的拥堵。
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