crib ballast

网络释义

1.	轨枕间道碴 http://www.ptsgi.com/chinese... ... "轨枕顶面"," Tope of tie" "轨枕间道碴"," Crib ballast" "轨枕搬运车"," Tie car" ... 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。