词In order to recover the tungstenic dust, sodium carbonate was added to it and smelting test was carried out in a 0. 1MVA electric arc furnace.
要为回
钨尘，利用钨尘灰与碳酸钠在0．1MVA电炉内进行了回试验，制
粗钨酸钠。
In order to recover the tungstenic dust, sodium carbonate was added to it and smelting test was carried out in a 0. 1MVA electric arc furnace.
要为回钨尘，利用钨尘灰与碳酸钠在0．1MVA电炉内进行了回试验，制粗钨酸钠。
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