倘若要变更此份文件的任何规格，请勿必事先提出需求。

In case of changes of the specification specified on this document, a written notice is requested in advance.

youdao

倘若要变更此份文件的任何规格，请勿必事先提出需求。

In case of changes of the specification specified on this document, a written notice is requested in advance.

youdao