下面请中国船级社总裁李科浚先生发表讲话。

Now let's welcome the President of CCS, Mr. Li Kejun to give us a speech.

youdao

下面请中国船级社总裁李科浚先生发表讲话。

Now let's welcome the President of CCS, Mr. Li Kejun to give us a speech.

youdao