Từ ten hải lý đến 30 hải lý; giá tối thiểu cho một lượt dẫn tàu 300USD/lượt dẫn tàu e) Oil vessels which function at offshore platforms and at the ports specialised in petroleum business (hereinafter referred to as “petroleum ports”) beneath the administration of a maritime port authority. – https://shigesatot863sal2.life-wiki.com/user