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Terms for subject Communications containing By | all forms | exact matches only
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by-pass bond旁通接续线
by-pass yard直通车场
error correction by feedback repetition反馈重发纠错
released by checking four sections四点检查
released by checking three sections三点检查
released by checking two sections两点检查
semi-automatic operation by route半自动作业
semi-automatic operation by route进路操纵作业
shunting by pushing off wagons溜放调车
Stand By mode待机模式
stand-by power supply备用电源 (source)
step-by-step telephone switching system步进制电话交换机