code relay 中文意思是什麼
code relay
解釋
電碼繼電器-
Code for construction of railway digital microwave relay communication system
鐵路數字微波通信工程施工規范 -
Operational and setting code for relay protection of 3 110kv electrical power networks
3 110kv電網繼電保護裝置運行整定規程
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