【经】 共同签字人

字博缘文学网在线英汉词典

co-signatory的短语、例句：

co-signatory cosignatory, n ~ (of/to sth) person, state, etc signing jointly with others 连署者（人、 国家等）
The US and the former Soviet Union were co-signatories of/to the treaty. 美国和前苏联都是条约的签署国.