“arch beam”的概念、定义、翻译、参考文献-科学参考

单词	arch beam
释义	arch beam [`ärch ´bēm] ^{CIVIL ENGINEERING} A curved beam, used in construction, with a longitudinal section bounded by two arcs having different radii and centers of curvature so that the beam cross section is larger at either end than at the center.
随便看	Tropic of Capricorn tropics tropic tidal currents tropic tide tropic velocity Tropiometridae tropism tropocollagen tropometer tropomyosin troponin tropopause tropopause chart tropopause fold tropopause inversion tropophytia troposcatter troposphere tropospheric duct tropospheric ducting tropospheric scatter tropospheric superrefraction tropospheric wave trouble-location problem troubleshoot

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