微端下载失败:请高手 帮我翻译几个英译汉的句子

5. Document and data control:
to establish and maintain documented procedures to control all documents
and data (including hard copy and electronic media), including such documents as
standards and customer drawings.
6. Purchasing:
to establish and maintain documented procedures to ensure that purchased
product, associated documents, and data conform to requirements. Sub-contractors
are to be evaluated and selected on their ability to meet subcontract
requirements and the type and extent of control exercised by the supplier over
sub-contractors is to be defined.
7. Control of customer-supplied product:
to establish and maintain documented procedures for the control of
verification, storage and maintenance of customer-supplied product provided for
incorporation into the supplies or for related activities.
8. Product identification and traceability:
where appropriate, to establish and maintain documented procedures for
identifying the product from receipt and during all stages of production,
delivery and installation.