subsidiary signal

航海及海运专业英语词汇(S12) ... subsidiary service 附带业务 subsidiary signal 辅助信号 Subsidiary Signs 辅助标志 ...

插入反转控制器_馆档网 ... "subsidiary main track" 副正线" "subsidiary signal" 辅助号志(机)" "subspace" 次空间" ...

http://www.ptsgi.com/c... ... "从轮转向架"," Trailing truck" "从属(辅助)号志机"," Subsidiary signal" "控告"," Indictment" ...