移动自动闭塞  moving automatic block

18信息移频自动闭塞  18information frequency shift automatic block

64D型半自动闭塞  64D semiautomatic block

ZPW-2000A无绝缘移频自动闭塞  ZPW-2000A Jointless Track Circuit Frequency-shift Automatic Block System; ZPW-2000A jointless track circuit frequency-shift

ZPW-2000自动闭塞改造工程  ZPW-2000 automatic blocking system reconstruction project

半自动闭塞  Semi-automatic Block System; Semiautomatic block; Semi-automatic block; Semi automatic block; Semi-automatic Blocking

半自动闭塞系统  Semiautomatic block system

半自动瓶塞机  semi-automatic corking unit

单线半自动闭塞  Single track semi-automatic block

单向运行自动闭塞  single direction automatic block

多信息自动闭塞系统  automatic block system with miscellaneous messages

非自动闭塞  Non-automatic blocking

非自动闭塞区  non-automatic block section

固定自动闭塞  eixed-block; fixed automatic block

轨道电路自动站间闭塞  automatic station block with track circuit

回旋自动谐振脉塞CARM  cyclotron autoresonance maser CARM

活塞杆的自由串动  piston rod free play

活塞环弹性自动检验机  automatic inspection machine for piston ring tension

计轴自动闭塞  Automatic Block with Axle Counter; Axle-counting automatic block; Automatic block system with axle counter