对209P型客车转向架摇枕安全吊座断裂原因进行了分析，并提出了改进建议。
The causes to breaking of bolster safety hangers on 209P passenger car bogies are analyzed, and suggestions for improvement are given.
眼板，底座，底板，吊座，导锥，拉杆，底锁，扭锁，单锥，双锥，桥码，地令。
Lasing Eye, Foundation, Sockets, Plate, Guide Cone, Lashing Bar, Twistlock, BaseTwistlock, Single Stacker, Double Stacker, Bridge Fitting, D Ring.
文章介绍了钢丝螺套技术的特点，着重探讨了钢丝螺套在电力机车铝合金顶盖、电机吊座等部件上的应用。
This paper presents the characters of wire thread insert, and discusses with emphasis the application of it on electric locomotives parts, such as aluminium alloy copings and motor suspension.
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