railway signaling equipment 中文意思是什麼
railway signaling equipment
解釋
鐵路信號設備-
Railway signaling equipment - impedance bonds - test methods
鐵路信號設備.阻抗聯結器.試驗方法 -
Fixed railway equipment. material for telecommunication and signaling overhead lines. galvanized round head bolts
鐵路固定設備.通訊和信號裝置架空線路用器材.鍍鋅圓頭螺栓 -
Railway fixed equipment - environnemental conditions generated by or to which signaling or driver - aid devices or equipments are subjected
鐵路固定設備.由信號發生裝置或駕駛員輔助裝置或設備所產生的或其所承受的環境條件
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