이들 선박의 주요 입출항지가 일본·중국 등이고, 주요 적재 물품도 철강, 강판이어서 의심할 점이 없었다는 게 관세 당국의 설명이다.
Customs authorities explained there was no doubt that the main ports of entry and exit of these ships were Japan and China, and the main loading goods were steel and steel sheet.