The influence of chemical composition on austenitizing temperature was introduced.介绍化学成分对奥氏体化温度的影响.Spheroidal austenite and acicular austenite can be seen during the austenitizing courses at low speed.慢速加热奥氏体化过程中,观察到球状奥氏...
他们的船被水雷炸毁了.Their ship was mined.散逸的水雷开始在太平洋海岸出现而危及商船的航行.Stray mines began to turn up off the Pacific coast, imperilling commercial shipping.在他那几次航行中,他就撞上了好多个假水雷.He bumped many a dummy mine on his runs....