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automatic block
 automatic block
el. 自动闭锁
| with
 with
gen. ; 随着;
busin. 和…一起; 与…一道; 与…一起
| impulse track circuits
 impulse track circuit
tech. 脉冲轨道电路

to phrases
automatic block
el. 自动闭锁
tech. 自动闭塞
automatic block with impulse track circuits
: 149 phrases in 13 subjects
Architecture2
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