central heating boiler,heating boiler with vertical downstream burner,convertible heating是什么意思、英文翻译及
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central heating boiler,heating boiler with vertical downstream burner,convertible heating
词语: central heating boiler,heating boiler with vertical downstream burner,convertible heating
解释: 中央供热锅炉,带垂直顺流燃烧器的供暖锅炉,可逆加热
词典: 专利专业英汉词典