preferentialist关税特惠主义者
preferentialadj.优先的;优待的;特惠的
preferential tariff treatment优惠关税待遇
preferential percolation path优势通道
preferential tariff agreement[法] 优惠关税协定, 特惠关税协定
preferential-bulk flotation优先-混合浮选
preferential spectrophotometry优先分光光度法
preferential tarding agreement[法] 特惠贸易协定
Preferential Trade Arrangement特惠贸易协议
preferential trade entitlement优惠贸易保障额
preferential right to purchase[经] 优先购买权