principal main track

网络释义

1.	主正线 http://www.ptsgi.com/chin... ... "主正线"," Major main track" "主正线"," Principal main track" "主吊线"," Messenger wire" ... www.guandang.com

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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。