He is familiar with export procedure.

他熟悉出口手续。

《新英汉大辞典》

Have necessary knowledge in customs law, be familiar with the import-export procedure.

具有必要的法律方面的知识和经验，熟知整个进出口的操作流程。

youdao

So you are familiar with all the procedure of the export trading?

那一定非常熟悉出口贸易的流程？

youdao

So you are familiar with all the procedure of the export trading?

那一定非常熟悉出口贸易的流程？

youdao