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H型鳍片管
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H型鳍片管
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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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fundamental solution
fundamental solution matrix
fundamental solution method
fundamental space
fundamental star
fundamental straight line
fundamental string
fundamental strings
fundamental structure theorem
fundamental subjects of rehabilitation
fundamental submanifold
fundamental subspace
fundamental substitution
fundamental surface
fundamental surveying and mapping
fundamental symmetric polynomial
fundamental symmetry
fundamental symmetry operator
fundamental system
fundamental system of equations
fundamental system of neighborhoods
fundamental system of neighborhoods (of zero element)
fundamental system of neighborhoods of zero element
fundamental system of solutions
fundamental tensor
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