harmonized tariff number 是个啥?

harmonized tariff number 是个啥? Harmonized Tariff Schedule (HTS) product classification 求助外贸英文翻译："What is the Harmonized Tariff Classification numbe BTN Tariff number 2.invoice to include harmonized system commodity code number customs tariff number/structural formula中文何意? tariff是什么意思 Tariff Group ad valorem tariff是什么意思 tariff code international tariff classification是什么意思 compound tariff是什么意思