名词短语
中文翻译：合同变更请求
同义词：
['change order', 'modification request']
例句：
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1.The company has received a contract change request for the new product line.
该公司已收到对新产品线的合同变更请求。
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2.The engineer made a change request to the project manager to address the issue.
工程师向项目经理提出了变更请求，以解决该问题。
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3.The customer requested a change in the delivery date due to unforeseen circumstances.
由于不可预见的情况，客户要求更改交货日期。