基本解释粗晶生鉄英汉例句雙語例句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，未經稀土變質処理的鑄鉄組織大部分爲粗晶粒奧氏躰，還有分佈於晶界的網狀碳化物；coarse-grained iron更多例句