movable point frog

网络释义

1.	可动心轨辙叉铁路工程词汇中英对照翻译... ... 组合辙叉 combined frog;assembled frog 可动心轨辙叉 movable point frog;movable-point frog ... www.soven.com
2.	可动辙岔 http://www.ptsgi.co... ... "可动辙岔"," Frog movable point" "可动辙岔"," Movable point frog" "可移车顶"," Removable roof" ... www.guandang.com

释义:

可动心轨辙叉,可动辙岔

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