| 单词 | Open-hearth |
| 例句 | 1. Steel making in the open-hearth furnace is a very slow process, much slower than the Bessemer one. 2. So it is practicability that the carbofrax is used in open-hearth steelmak... 3. With the action of some bivalent cation, high temperature shift catalyst has been prepared by mixture precipitation method using open-hearth dust as a raw material. 4. Experiments were carried out with a view to ascertaining the most suitabledeoxidation process for basic open-hearth smelting of rail-steel in Anshan works. 5. Most of the steel for line pipe is made by open-hearth, electric furnace, and basic-oxygen processes. |
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