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密闭墙
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Encyclopedia
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hermetic wall
密闭墙
巷道中,用于防火、防水、隔绝风流、限制人员通过等的隔离构筑物。
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harmonic number
harmonic operator
harmonic oscillation
harmonic oscillator
harmonic-oscillator potential
harmonic overtone
harmonic pair
harmonic parameter
harmonic pencil
harmonic pencil of lines
harmonic pencil of planes
harmonic perspectivity
harmonic polar
harmonic polar curve
harmonic polar line
harmonic pole
harmonic polynomial
harmonic position
harmonic power
harmonic progression
harmonic proportion
harmonic quadrilateral
harmonic quadruple
harmonic quadruple of lines
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