固有线路电容
intrinsic line capacitance
既有线测量
survey of existing line；survey of existing railway
既有线车辆
vehicles on existing line
既有线复测
Repetition survey of existing railway
既有线改造
existing line reconstruct
既有线提速
increasing train speed on the existing lines
既有线站场测量
survey of existing station yard
全国有线电视协会
NABNational Cable Television Association
人工有线数值控制
hand-wired numerical control
私有线路来传打字机服务
teletypewriter service，private-line
相当于有线的秘密算法
WEPA Wired Equivalent Privacy Algorithm
有线/无线技术
wired and wireless technology