经海关盖章

【法】 under customs seal

经的英语翻译：

after; by; classics; scripture; constant; endure; manage; deal in
pass through; regular
【医】 per-; trans-

海关的英语翻译：

custom; customhouse
【经】 custom house; customs; customs office; maritime custom

盖章的英语翻译：

affix one's seal; seal; stamp
【法】 check off; check out; sealing; set one's seal