locking freight car
基本解释
- [经济学]箱封
英汉例句
- 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 .
本发明涉及一种铁路货车锁闭机构，特别是涉及一种铁路货运敞车下侧门的锁闭装置。
双语例句
专业释义
- 箱封