There occours needle - type or M - type martensite precipitation within retained austenite.残余奥氏体内有针状或“M”型马氏体析出.These lath martensite first nucleates in parent austenite intergranular and twin boundary.应变诱发马氏体首先在原奥氏体晶界和孪晶...
Since then, it has been wildly used in the area of aerospacecraft, aircraft, energy system, electronics, automobile, mechanical equipment et al.由于综合性能优异, 问世后很快在航天 、 航空 、 能源 、 电子 、 汽车 、 机械等领域得到了成功的应用....
Her unbuttoned jacket opened to show two huge, pendulous breasts.小棉袄本没扣着,胸前露出一对极长极大的奶来.The pendulous accelerometer design had much in common with the gyro design.摆式加速度计的设计与陀螺设计有很多共同之处.On the paralyzed side the ear is pen...