?双边配额

... bilateral account，双边帐户 bilateral quotas，双边配额 bonded area，保税区 ...

?协定配额

... 协定年度 agreement year 协定配额 bilateral quota 协定税率 conventional tariff ...

?双边限额

... base quota 配额基数 bialteral quota 双边限额 bilateral quota 双边限额; 协定配额 ...