castin造句

• Specification for castin - place piles
  灌注桩基础技术规程
• In addition , we test our hf acid valves with helium at 300 psi to insure the castin integrity
  此外，我们是在300psi的氦介质下检测我们的氢氟酸阀门，以确保铸件的整体性。
• Abstract : this paper has deduced a new method for risering ， ? parametric method . it has proved with the test curve of the british castin g p ractice commission . practical results have well perfected furt her the perimetrischen quotlent method for risering . a conclusion is drawn that rise r supplement shrink efficiency is directly proportion to the ratio of casting to riser perimetrischen quotient
  文摘:提出的冒口设计新方法?参数法，与英国铸造实践委员会给出的实验曲线相互印证其实用性，进一步完善了冒口设计的周界商法；得出了冒口补缩效率与铸件和冒口的周界商比值成正比的结论。
• The failure of manufacturing cu alloy valve body by die castin g and hot extrusi on casting were point out . characteristics of squeeze casting technology were exp ounded . application of squeeze casting to cu alloy valve body in gas fired applia nce and influence of specific pressure on properties of product were analyzed
  指出了压力铸造及热挤压工艺生产铜合金阀体的缺点，阐述了挤压铸造工艺的特征，介绍了挤压铸造在燃气器具铜合金阀体上的应用，分析了比压对产品性能的影响。