研制出一种可调风口，应用在双屑化铁炉和冲天炉上，能使熔炼操作方便快捷，提高熔炼效果。
A type of adjustable tuyere, which applied on the cupola, makes smelting operation more conveniency and rapid, smelting effect more elevated.
研制出一种可调风口，应用在双屑化铁炉和冲天炉上，能使熔炼操作方便快捷，提高熔炼效果。
A type of adjustable tuyere, which applied on the cupola, makes smelting operation more conveniency and rapid, smelting effect more elevated.
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