Description: Region, zone or union for which the specified customs tariff number is applicable in terms of content and structure; Name: Customs Tariff Number Region
Description: Region, zone or union for which the declared tariff number is applicable in terms of content and structure; Name: Region of customs tariff number
Description: determined proportion of the pump power input, p, available after satisfying the mechanical power losses, pj,ab, at given operating conditions; Name: mechanical efficiency