[经] protective duty ;
The federal government should nurture infant industries through overt subsidies and protective tariffs.
联邦政府应该通过公开补贴和保护关税来扶植新生的工业.
protective tariffs
贸易保护关税
A revenue tariff will always provide some protection, and a protective tariff will produce some revenue.
财政关税总能提供某种保护, 一项保护关税会产生一定的收入.
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