passing signal

网络释义

1.	通过号志 download_20060411141403_76351 - Excel ... passing siding 待避线 passing signal 通过号志(机) passivated surface 钝化表面 ... www.docstoc.com
2.	通过号志机 http://www.ptsgi.com/chi... ... "通过站"," Through-type station" "通过号志机"," Passing signal" "通过线"," Through track" ... www.guandang.com

随便看

英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。