在颁发工程接收证书前的任何时间，工程师可通过发布指示或以要求承包商递交建议书的方式，提出变更。

Variations may be initiated by the Engineer at any time prior to issuing the Taking-Over Certificate for the Works, either by an instruction or by a request for the Contractor to submit a proposal.

youdao

在颁发工程接收证书前的任何时间，工程师可通过发布指示或以要求承包商递交建议书的方式，提出变更。

Variations may be initiated by the Engineer at any time prior to issuing the Taking-Over Certificate for the Works, either by an instruction or by a request for the Contractor to submit a proposal.

youdao