常見(jiàn)例句雙語(yǔ)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(jié)果表明，未經(jīng)稀土變質(zhì)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(wǎng)狀碳化物； 返回 coarse-grained iron