... Sand preparation型砂制备 Sand quality control型砂质量控制 Automatic moisture controller of sand自动水分控制仪 ...
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molding sand quality control 型砂质量控制
The paper not only discusses the construction quality control of backfill of sand cushion, but also provides the simple in-situ test method and deals with the theoretical analysis for its design.
本文针对砂垫层回填施工质量控制，提供了简易可行之现场测试手段，并就砂垫层设计方法作了理论分析和工程实践；
On the other hand, the effective large-scale sand fracturing requires optimum reservoir formation, fracturing fluid and techniques, and systematic control of the fracturing quality.
另一方面，大型加砂压裂作业有效，需有机地匹配和优化储层、压裂液和工艺，并系统地控制压裂质量。
The mechanism of sand adhering to casting parts is simply analyzed, some preventing measures for quality control proposed.
对铸件的粘砂机理作了简单分析，针对其影响因素，提出了防止铸件粘砂及其质量控制的措施。
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