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- weakening of moulding sand 型砂减泥
- Reducing expansion stress of the moulding sand and increasing wet tensile strength of moulding sand are the main measures to prevent scab defect. 防止夹砂缺陷的主要措施是降低型砂的膨胀应力和提高型砂的热湿拉强度。
- A new kind of moulding sand adhesive used for casting industry was prepared from distillation test residue of cottonseed oil fatty acid. 采用精制棉油脂肪酸蒸馏过程中排出的蒸馏残渣为原料,制备一种新型型砂铸造用粘结剂。
- The technical principle of the intelligent high speed tester for solidity of moulding sand is described briefly. The design, calibration and application results of the tester are introduced. 简述型砂紧实率快速智能测试仪的技术原理，介绍了测试仪的设计、定以及应用效果。
- Method of controlled strain rate was used to measure failure of various moulding sands at elevated temperature, and all curves of stress-strain of moulding sands are obtained. 采用控制应变速率的方法测试了不同型砂高温下的破坏方式,从而获得了型砂全程应力-应变曲线;
- One weakening of normality is quasinormality. 正规性的一种减弱形式是拟正规性。
- Keywords compactability bentonite properties of moulding sand; 紧实率;膨润土;型砂性能;
- But the weakening of the English seemed irremediable. 但是英军的困惫看来是无可救药的。
- Studies on the property of moulding sand binder of non-environmental pollution 无公害型砂粘结剂性能研究
- A Portable Intelligent High Speed Tester for Solidity of Moulding Sand 便携式型砂紧实率快速智能测试仪
- There is a film of mould over the bottle cap. 瓶盖上有一层薄薄的霉菌。
- How many set of mould that machine include? 机器包含多少模具?
- Semi-automatic and use of mould release acceptable. 半自动工手放镶件也可。
- Participate in the confirmation of mould design. 参与模具结构设计的确认。
- But finally, he is still a man of mould. 但他终究也只是一个凡人。
- Theoretical analysis of stability conditions of moulding sand at mould top in EPC process 消失模铸造模型顶部型砂稳定条件的理论分析
- The Centrifugal Casting Process of Copper Alloy Making Use of Moulding Sand Covering on the Permanent Mold 铜合金金属型覆砂离心铸造工艺
- The Exploration About the Mechanization of Moulding Sand Assembly in the Single Small- Batch Casting Shop 单件小批量铸造车间型砂工部机械化探索
- This is a weakening of this distributivity condition, called modularity. 这个分配性条件可减弱为所谓性的条件,一个格称为模格。
- Then came the weakening of the U.S. Dollar against major currencies. 其次,美元对世界其他主要货币的比价下跌。
