The construction materials and products are used as specified in this Eurocode or in the relevant material or product specifications.
施工所用的材料和产品须按照欧洲规范中的规定或其他相关材料或产品的规格。
Basic knowledge of polyethylene material, pipe fittings specifications, pipeline construction specifications, technical points, management experience and design parameters.
聚乙烯材料基础知识、管材管件规格、管道的施工规范、技术要点、管理经验及设计参数。
Standard good practice was not shown on construction drawings, and specifications did not adequately cover material quality, testing and workmanship.
建筑制图不符合标准，建材质量、评估与施工都没有足够明确的规范。
Standard good practice was not shown on construction drawings, and specifications did not adequately cover material quality, testing and workmanship.
建筑制图不符合标准，建材质量、评估与施工都没有足够明确的规范。
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