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| hot-blast circulating duct; bustle pipe (Bustle pipe refers to the large iron pipe, refractory lined, that surrounds the blast furnace above the level of the hearth. It acts a hot blast-main, receiving the hot blast from the stoves and distributing it to the tuyeres via the swan neck. 热风围管指的是位于炉缸之上、环绕高炉、内衬耐火材料的大铁管。其作用如同热风总管。它从热风炉接受热风，然后通过鹅颈管将热风分配到各个风口。) | |||
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热风围管 : 3 phrases in 1 subject |
| Metallurgy | 3 |
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