... 护轨与心轨的查照间隔 check gage 护背距离 guard rail face gage;back gage 辙叉有害空间 gap in the frog ;open throat; unguarded flange-way ...
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Back Gage Rail 描述
back-scattering thickness gage 反向散射厚度计
gage lamp back casing [铁路] [车辆] 表灯后壳
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The network has finally become the computer, as John Gage predicted back in 1984.
正如John Gage在1984年所预测的那样,网络最终演变成为计算机。
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