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手扳道叉
meaning in English
manual switch
manually operated point
manually operated switch
Related Words
扳道
扳道岔
扳道房
扳道员
铁路扳道员
手扳道岔
地面扳道握柄
铁路的扳道员
叉
叉叉
手搬钻机
手扳冲床
手扳道岔
手扳葫芦
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