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H finned tube
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H finned tube
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H finned tube
H型鳍片管
把两片中间有圆弧的钢片对称地与光管焊接在一起制作而成的管子。其正面形状很像字母“H”,因而得名。又称H型肋片管、蝶片管。
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non-ergodic statistics
non-erosive reflux disease
non essential amino acid
non-essential amino acid
nonessential amino acid
non-essential element
non-essential elements of higher plants
non essential fatty acid
non-essential fatty acid
nonessential fatty acid
nonessential nutrient
nonessential singularity
Non-essential trace element
non-esterified fatty acid
nonesterified fatty acid
non-esterified fatty acid (NEFA)
nonet
no net loss of wetland
non Euclidean angle
non-Euclidean angle
non-Euclidean differential geometry
non Euclidean distance
non-Euclidean distance
non Euclidean geometry
non-Euclidean geometry
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