·2,447,543篇论文数据,部分数据来源于NoteExpress
When such steel cools, as shown in zz 'of Fig. 2.1 the process is similar to the hypo-eutectoid case, except that the primary or pro-eutectoid phase is now cementite instead of ferrite.
当这种钢冷却时,就像图2.1的z - z线所示,除了初步的或预共析状态用渗碳体取代铁素体外,其余类似亚共析钢的情况。
youdao
应用推荐
模块上移
模块下移
不移动