quench-hardening造句

Abstract : the significance of the high speed cutting technology is described . the application and advantagies in the electrode manufacture ， cavity machining of quench - hardening material and prototyping are introduced . the requirement to the high speed milling machine is pointed out
文摘:叙述了高速切削技术的意义，并介绍了它在电极制造、淬硬材料型腔的直接加工及样件的快速成型中的应用及优点，并简要说明对高速铣床的要求。
Abstract : the structure and the properties of the grinding ball made of the composite cast iron have been researched in this paper . the result indicates that added trace boron and a proper quantity copper to this kind of composite cast iron can increase its quench - hardening ability , and raise its hardness and impact toughness
文摘:研究了一种复合铸铁磨球的组织和性能，结果表明，化学成分和淬火工艺对这种复合铸铁磨球的组织和性能有很大影响，微量的硼和适量的铜可以明显地提高磨球的淬透性，经过余热淬火得到贝氏体或马氏体基体组织，从而提高磨球的硬度和冲击韧性。
It's difficult to find quench-hardening in a sentence. 用quench-hardening造句挺难的