Maximum and minimum working temperatures must be considered when choosing the joint, which must be so installed that it is neither over-compressed nor over-extendedThe bold and italic word "which "probably means _____.
A.maximum working temperature
B.minimum working temperature
C.the joint
D.the insulating material
高速列车车轮在某一速度范围有规律的反复作用可能引起桥梁的(),使桥梁的挠度、竖向加速度增大。
动车组中车种代码餐车(含酒吧车)()。
高速铁路信号系统各子系统的功能是什么?
远动系统中,从被控端向控制端发送的数据称“()”数据。
电传动方式