signal roundel

网络释义

1.	信号光环 roundel什么意思及同义词... ... roundel clip 表示镜卡圈 signal roundel 信号光环 deflecting roundel 偏光镜 ... www.hujiang.com
2.	号志玻璃 http://www.ptsgi.com/chinese... ... "号志段"," Signal section" "号志玻璃"," Signal roundel" "号志员司"," Signalman" ... www.guandang.com

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