促进贸易性运费率

【经】 promotional freight rates

促进的英语翻译：

accelerate; advance; boost; expedite; facilitate; hasten; promote; speed
stimulate
【医】 auxo-
【经】 accelerate; promote; promotion

贸易的英语翻译：

commerce; trade; traffic
【经】 commerce; commercial act; commercial transaction; deal

运费率的英语翻译：

【经】 freight rates