... in the floor of containers 箱内稳货环 locking freight car 箱封 destination 箱封检查记录 ...
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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。
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