When the fuel for the heating furnace of Beiman Special steel Corporation was changed from gas to oil, severe carbonization happened on the surface of cold-drawn steel.
北满特钢加热炉由烧煤气改烧油后，冷拔材表面产生严重增碳的现象。
When the fuel for the heating furnace of Beiman Special steel Corporation was changed from gas to oil, severe carbonization happened on the surface of cold-drawn steel.
北满特钢加热炉由烧煤气改烧油后，冷拔材表面产生严重增碳的现象。
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