我的第一份工作是为一家大型防务公司建立对地同步的通信卫星。

My first job was for a large defense company building geosynchronous communications satellites.

youdao

我的第一份工作是为一家大型防务公司建立对地同步的通信卫星。

My first job was for a large defense company building geosynchronous communications satellites.

youdao