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Terms for subject Communications containing semi-automatic | all forms | in specified order only
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all-relay semi-automatic block system继电半自动闭塞系统
double-track all-relay semi-automatic block system双线继电半自动闭塞
electromechanical semi-automatic block电机半自动闭塞
long-distance semi-automatic dialing长途半自动接续
multiple-track all-relay semi-automatic block复线继电半自动闭塞
multiple-track semi-automatic block复线半自动闭塞
semi-automatic hump半自动化驼峰
semi-automatic operation by route半自动作业
semi-automatic operation by route进路操纵作业
single-track all-relay semi-automatic block单线继电半自动闭塞
single-track semi-automatic block单线半自动闭塞

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