亦称辐水管（radial water vessel）。系棘皮动物水管系之一部分，由环管发出5条幅管，
稳辐管 stabilotron
辐管虫属 Actinosiphon
正辐管 [无脊椎] perradius ; perradial canal
辐射计数管 radiation-counter tube ; radioactive radiation counter
间辐管 interradial canal
辐射管理 radiation control ; Radiation Management
电辐射管 [电] electric radiant tube
辐射壁管 radiant wall tube ; radiantwalltubes
辐照管道 [核] irradiation channel ; irradiation hole
研究了某电厂500MW锅炉水冷壁辐过管弯头在服役条件下受力特征、显微组织变化和变形规律，探讨了其开裂原因。
The stress analysis, microstructure change and deformation law of the elbow of the radiation superheater of a 500MW power boiler were studied and the reason of its failure was discussed.
用一组窄带滤光片、简易辐亮度计和硅光二极管探测器设计了绝对型光谱辐亮度计。
A spectroradiometer is designed and fabricated with a set of narrow band optical filters, simplified radiometer and silicon photodiode.
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