The hot air is always carried to the furnace by a powerful turboblower, through the hot blast main, bustle pipe, bootleg, blowpipe and tuyere.
热风由功率强大的鼓风机通过热风总管、环形风管、风
小弯管、直吹管和风不断鼓人高炉。
）
法携带（bootleg的第三人称单）The hot air is always carried to the furnace by a powerful turboblower, through the hot blast main, bustle pipe, bootleg, blowpipe and tuyere.
热风由功率强大的鼓风机通过热风总管、环形风管、风小弯管、直吹管和风不断鼓人高炉。
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