railway signals equipment 中文意思是什麼
railway signals equipment
解釋
鐵路信號設備-
Railway fixed equipment. modular power supply for systems of signals equipement, telecommunication equipment and computer equipment. secondary system
鐵路固定設備.信號設備通信設備和計算機設備用模塊化電源.二次系統 -
Railway fixed equipment. modular power supply for systems of signals equipment, telecommunication equipment and computer equipment. tertiary system
鐵路固定設備.信號設備通信設備和計算機設備系統用模塊化電源裝置.第3系統
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