例句與造句

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:對消失模鑄造鑄鐵件流動前沿的氣隙進(jìn)行了研究，探討了氣隙與坍塌缺陷的相互關(guān)系。
2. It's difficult to find expendable pattern in a sentence. 用expendable pattern造句挺難的