automatic starting device
常見例句
- The utility model relates to an automatic warning device for the unmanned railway crossing, belonging to a signal device of the railway, comprising a warner, a magnetic starting device and a switch.
鐵路無人看管道口自動報警裝置，屬于一種鐵路信號裝置，由報警器、磁力啟動器和開關(guān)組成。
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