locking freight car

基本解释

• [經濟學]箱封

英汉例句

雙語例句

• The invention relates to a locking mechanism of a railway freight car, in particular to a locking device arranged on a lower side door of a rail freight gondola car .
  本發明涉及一種鉄路貨車鎖閉機搆，特別是涉及一種鉄路貨運敞車下側門的鎖閉裝置。

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专业释义

經濟學

• 箱封