P形中频感应圈
P shape medium frequency induction coil
曲厚壳单元
curved thick shell element
曲壳块体单元
curved shell block element
驱动制动单元悬挂
driving-braking-unit suspension
全电子微机联锁执行单元
all-electronic computer interlocking implementation unit
全电子执行单元
All-electronic execution unit