我有美国的公务护照。

I have a service passport to America.

youdao

我持公务护照，并且有有效B1签证。如果应邀去美国参加学术会议，要办理J 1签证，那么我的B1签证还会有效吗？

I am a service passport holder and have a valid B1 visa. If I am invited to attend an academic conference in the US and apply for a J1 visa, will my B1visa still be valid?

youdao

我持公务护照，并且有有效B1签证。如果应邀去美国参加学术会议，要办理J 1签证，那么我的B1签证还会有效吗？

I am a service passport holder and have a valid B1 visa. If I am invited to attend an academic conference in the US and apply for a J1 visa, will my B1visa still be valid?

youdao