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- internal shrinkage cavity 内部缩孔
- Solve the problem of internal shrinkage of magnesium iron foundry. 解决球铁铸造内部缩孔问题。
- The gas hole, shrinkage cavity and crack were eliminated through up-grading technology. 并且改进工艺，以消除气孔、收缩和裂纹。
- Stomatal, dispersed shrinkage, shrinkage cavity, sonim and slag inclusion belong to this kind of defect. 属于这种类型的缺陷有气孔、缩松、缩孔、夹砂、夹渣等。
- When such a steel solidifies, a shrinkage cavity know as a "pipe" is formed in the top central part of the ingots. 当这种钢液凝固时，在钢锭头部中央会形成收缩孔。
- The main deformity of the center housing cast in the automobile turbocharger is shrinkage cavity. 在汽车涡轮增压器中心架铸件生产中主要产生缩孔缺陷。
- The result showed that the shrinkage cavity formed during foundry and the disfigurement of graphite were the main cause of the driving wheel cracking. 结果表明,产生裂纹的主要原因是驱动轮在铸造中形成的缩松孔隙和石墨形态缺陷所致。
- After technology improvement, the used material reduces, and the crack, shrinkage cavity of end face and puckering don't exist in the furcation part. 工艺改进后，材料减少，原来存在的裂纹、缩口以及接头处参差不齐的问题得到彻底地解决。
- Abstract A series of ductile iron sample castings were poured and dissected to determine the volume of shrinkage cavity of sample castings. 浇注了一系列的球墨铸铁件，解剖铸件，测定铸件缩孔体积。
- The influence of chemical composition,inoculation process,temperature of molten iron and pouring system on the formation of shrinkage cavity and porosity was described. 叙述化学成分、孕育工艺、铁液温度及浇注系统等因素对薄壁球铁铸件缩孔和缩松形成的影响。
- The mechanism of the inclusion and shrinkage cavity in high-strength brasses produced by bottom running method was analyzed from the point of view of production technology. 通过实际生产从工艺角度分析了底注法生产窄结晶温度范围高强度黄铜时夹杂、缩孔缺陷的产生机理。
- Large thick-section ductile Iron housing easily produces casting defects such as shrinkage cavity, shrinkage porosity,graphite floating and spheroidizing decay. 大型厚断面球墨铸铁件在铸造过程中极易产生缩孔、缩松、石墨漂浮及球化衰退等铸造缺陷。
- Abstract： In the paper,shrinkage cavity formation of a hub S.G.iron casting was simulated with DECAM(Dynamic Expansion and Contrac tion Accumulation Method). 摘 要： 本文使用了收缩膨胀动态叠加（DECAM）法，对球铁轮毂的缩孔形成进行了模拟和工艺改进。
- For the defects such as dead zone and shrinkage cavity in conventional extrusion process,an inner cone punch was proposed to improve the metal flow behavior. 针对平模挤压过程中易产生死区、缩孔等流动缺陷,设计一种带内锥冲头用以改善成形过程中金属的变形流动行为。
- Microporosity in thermite weld joint consiste of blow hole and shrinkage cavities. 氧或硅含量过高形成氧化物或硅酸盐;
- Cost-effective sound castings were produced without shrinkage cavities,porosities,cracks and coarse-grains etc. 应用该工艺消除了缩孔、疏松、裂纹、晶粒粗大等铸造缺陷,成功开发了低成本高质量高锰钢辙叉心轨。
- The test proves the existence of walling phenomenon and that the shrinkage cavities inside billet are not oxidized to form infoldings. 试验证明了"隔墙现象"的存在,阐明了连铸坯内部缩孔不会被氧化而产生内折。
- I can send him a note via the internal mail system. 我可以通过内部通信系统给他发个通知。
- There has been some shrinkage in our export trade. 我们的出口贸易量已有些减少。
- The convoy commodore sees to the internal management of the convoy. 舰队司令官负责管理舰队的内部问题。
