Terms for subject Rail transport containing extension

English	Chinese
coefficient of route extension	展线系数
extension capacity	扩容能力
extension instrument	附加〔外接〕仪表
extension rod	手轮连接杆
extension rod	延长杆
fire risk extension clause	火险责任扩展条款
five-way cock extension rod	五通塞门把手连接杆
force acting on the bridge due to extension of the bridge	伸缩力
leading edge extension	边条翼
route extension	展线
traffic controller's extension telephone	调度电话分机