基本解釋粗晶生鐵英漢例句雙語例句The results show that the microstructure of the cast iron without being RE modified is mostly coarse-grained austenite and network carbides at the grain boundary.結果表明，未經稀土變質處理的鑄鐵組織大部分為粗晶粒奧氏體，還有分布于晶界的網狀碳化物；coarse-grained iron更多例句