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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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satellite of Pluto
satellite of Saturn
satellite of Uranus
satellite operating density
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Satellite Operation
satellite orbit determination
satellite peak
Satellite per Astronomia X
satellite photogrammetry technology for 3D reconstruction in civil engineering
satellite point
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satellite positioning data access
satellite power supply system
satellite precipitation measurement
satellite problem
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satellite radar altimeter
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satellite radio and television transmission
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satellite remote sensing
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