在履行本合同期间
During the performance of this contract
以上为机器翻译结果，长、整句建议使用 人工翻译 。
第二十二条在履行本合同期间，监理人调换总监理工程师须事先经委托人同意。
Article 22 in the event that the Supervisor want to replace the Chief Supervision Engineer, he shall obtain the Client's consent in advance during the Contract conducting period.
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