specially designed internal components, heating slowly, extending machine life bold wide coil, built-in copper wire, with the temperature transfer, rapid heating, high thermal efficiency;
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slowly heating time 缓慢加热
汤在慢慢加热。
Slowly cooling method for glass articles, heating method for glass articles, production method for glass formed articles and heat treatment apparatus.
玻璃物品的缓冷方法，玻璃物品的加热方法，玻璃成形品的制造方法，以及热处理装置。
The process of annealing consists of heating the steel to an elevated temperature for a definite period of time and, usually, cooling it slowly.
退火工艺的组成为把钢加热到一定温度并保持一段时间，通常再缓慢冷却。
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