Design, manufacturing and installation of products and service codes shall be established and work procedures shall be specified by reviewing and confirming the demands of customers.
通过对顾客要求的评审和确认，建立产品设计、制作、安装和服务规范，并明确工作程序。
Check local codes for installation requirements.
核对当地关于安装要求的有关规定。
Discusses some unclear, inconsistent or inaccurate points of fire damper installation in the related codes governing building fire protection, and offers the author's recommendations for revision.
讨论了几个现行规范在防火阀设置问题上规定不明确、不一致或不准确之处，提出了具体的修改建议。
Discusses some unclear, inconsistent or inaccurate points of fire damper installation in the related codes governing building fire protection, and offers the author's recommendations for revision.
讨论了几个现行规范在防火阀设置问题上规定不明确、不一致或不准确之处，提出了具体的修改建议。
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