... high-warp tapestry 立经挂毯 highway crossing signal 道口信号 highway mower 公路除草机 ...
基于54个网页-相关网页
道口信号 crossing signal 道口自动信号 crossing automatic signal;automatic level crossing signal ..
基于18个网页-相关网页
... ungated road crossing 无栏木道口 road crossing duct bank 平交道口管道组 road crossing signal 道口信号 ...
基于12个网页-相关网页
提出一种在车站咽喉区道口设置道口信号的方案。
A plan of setting up crossing signal at station throat is put forward.
较详细地介绍了一种智能化道口信号及图像监录系统。
And a intelligent level crossing signal and video monitoring system were introduced in details.
分析了我国铁路既有道口信号存在的若干问题，探讨了解决途径。
The article analyzed the problems in China railways' level crossing signal and explored their solutions.
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