expendable pattern casting中文什么意思

• 一次模铸造

• expendable:    adj. 1.可消费的，可消耗的。 ...
• pattern:    n. 1.模范，榜样；典范。 2.型 ...
• casting:    n. 1.投，掷。 2.【冶金】铸造 ...

例句与用法

1. Abstract : in this paper the gas gap in the expendable pattern casting process was studied and the relation between the gas gap and collapse defect is discussed
   文摘:对消失模铸造铸铁件流动前沿的气隙进行了研究，探讨了气隙与坍塌缺陷的相互关系。