协定已经签字盖章.The agreement has been signed and sealed.须经航空公司盖章,该机票才能生效.The ticket has to be stamped by the airline to validate it.请您在送达回证上签名盖章.Please sign the acknowledgement of receipt....

“盖章”的拼音为：gài zhāng...

“盖章”的近义词/同义词：盖印。...

“盖章”的英语可以翻译为：affix one's seal，seal，stamp ...