export letters of credit received

例句：

1. 1.The company has exported its products to many countries.
   该公司已将其产品出口到许多国家。
2. 2.The engineer exported the machine parts for a new project.
   工程师为一个新项目出口了机器零件。
3. 3. The oil company exported crude oil to other countries.
   这家石油公司将原油出口到其他国家。