Has the vessel Operator submitted a vessel Spill Response Plan to the US Coast Guard, which has been approved by official USCG letter?
船舶经营人是否向美国海岸警备队递交了船上油污应急计划，该计划之前已经被警备队正式批准。
Has the vessel Operator submitted a vessel Spill Response Plan to the US Coast Guard, which has been approved by official USCG letter?
船舶经营人是否向美国海岸警备队递交了船上油污应急计划，该计划之前已经被警备队正式批准。
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