... multi zone system 多区的空档统 multiblade damper 多重叶瓣式节气闸 multi-cell box girder 多孔箱形梁 ...
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opposed multiblade damper 对开式多叶阀
parallel multiblade damper 平行式多叶阀
o osed multiblade damper 对开式多叶阀
opposed d multiblade damper 对开式多叶阀
multiblade e damper 多重叶瓣式节气闸
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