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| 露天炉床; 敞口壁炉; 露天炉灶 | |||
| 平炉 | |||
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| 平〔马丁〕炉; 开膛炉 | |||
| 平炉 (【技】一种可以任何配比的铁水和废钢为金属炉料，配备有蓄热室的炼钢火焰炉。它由熔炼室、炉头、上升道、沉渣室、蓄热室、换向阀、烟道等组成。20世纪70年代前，平炉曾一度是炼钢的最主要设备。此后它的炼钢主力军地位逐渐被氧气转炉所取代。: Calcium molybdate is used to add molybdenum to iron and steel produced in the open-hearth, air furnace or electric furnace. 钼酸钙用于加钼到平炉、空气吹炼炉或电炉熔炼的铁水和钢水中。) | |||
| 开式炉; 平炉 | |||
| open hearth: 100 phrase in 8 subjects |
| Business | 3 |
| Chemistry | 1 |
| Electronics | 5 |
| General | 3 |
| Metallurgy | 65 |
| Oil / petroleum | 1 |
| Technology | 21 |
| Wind Energy | 1 |
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