炉体分为预热区、加热区、保温区、缓冷区。
It is divided into preheating zone, heating zone, heat preservation zone and natural cooling.
她把这个宿舍叫做“亮眼的保温箱，”，又说“这个局限于岛屿边缘，仅有足球场大小的居住区并不会让所有人满意。”
"She called the living quarters (pictured)" surprisingly cozy, "though added that" being confined to an island the size of a football pitch isn't for everyone.
讨论了在相变区的加热速度、奥氏体化温度及保温时间对奥氏体晶粒的影响。
The influence of the rate of heating at phase transformation region, temperature of austenitizing and holding time on the austenite grains are studied.
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