a%20tug%20the%20size%20of%20the%20Baydelta%20vessel%20would%20need%20a%20power%20output%202500kW.%20The%20hybrid%20arrangement%20allows%20operators%20to%20achieve%20the%20required%20bollard%20pull%20from%20a%20smaller%20engine.%20It%20provides%20greater%20operational%20flexibility%20which%20allows%20for%20the%20system%20to%20provide 썸네일형 리스트형