所制叶片不仅化学成分、冶金质量均达到了设计要求，而且比以往工艺降低生产成本约13%，技术经济效益十分可观。
Both the chemical composition and the metallurgical quality of the blade have met the engineering requirement, and the production cost is 13% lower than that of the prior ones with better benefits.
在分析杂质泵护套材质要求的基础上，确定了高铬铸铁的化学成分和熔炼、铸造及热处理工艺。
Chemical composition, melting processes, casting and heat treatment of high chromium cast iron were determined according to the requirement of materials for dredge pump cover.
质量检测证书最终会显示化学成分和其他检测结果，正如在本合同中要求的那样。
The Certificate of Quality to show actual results of the test of chemical composition and all other tests as called for in this contract.
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