
Inland navigation vessels - Electrical connection to shore, three-phase current 400 V, 50 Hz, and at least 250 A
出版:Polish Committee for Standardization

專家解讀視頻
Inland navigation vessels - Electrical connection to shore, three-phase current 400 V, 50 Hz, and at least 250 A
出版:Polish Committee for Standardization
專家解讀視頻