在贵金属上寻找最好的标记来包管它们的质量和历久性。
Look for the fineness marks in precious metals to ensure their quality and durability.
项目本钱办理是在包管知足工程质量、工期等合同请求的前提下。
Project cost management is guaranteed to meet the quality requirements of the contract period, and so on the premise.
项目本钱办理是在包管知足工程质量、工期等合同请求的前提下。
Project cost management is guaranteed to meet the quality requirements of the contract period, and so on the premise.
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