The design of chimney and air current, the gate of fire way, the laying of fire box and adjustment of the flame height, were the key factors of fire way.
烟囱设计、气流控制、火路通口、灶塘铺设及吊火高度，为火路关键技术。
The design of chimney and air current, the gate of fire way, the laying of fire box and adjustment of the flame height, were the key factors of fire way.
烟囱设计、气流控制、火路通口、灶塘铺设及吊火高度，为火路关键技术。
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