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本节是API610第12版新增的内容
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5.3.1 In case of conflict between this standard and the inquiry, the inquiry shall govern. At the time of the order, the purchase order shall govern.
为了防止标准和询价的相互冲突，询价优先级更高。如果处在订单阶段，则买方的订单优先级更高。
5.3.2 Where requirements specific to a particular pump type in Section 9 conflict with any other section, the requirements of Section 9 shall govern.
如果某些特殊泵型（见第9章节）的要求与其他章节的要求有冲突，则第9章节的要求的优先级更高。
5.3.3 The hierarchy of documents shall be specified.
应该说明所有文件的优先级。
NOTE Typical documents include company and industry specifications, meeting notes, and modifications to these documents.
注：典型的文件包括，公司和企业的规范，会议纪要，以及这些文件的修改澄清。