Tubelli图贝利tuben.管子；管状物；<英>地铁；电视；管状器官v.提供或装上管子tube gauze dyeing筒纱染色tube welding mill焊管机tube light output管子亮度输出Tube feeding diet管饲饮食tube flaring tool管子扩口工具tube-controlledadj.真空管控制的tube still heater列管加热器Tube broth method试管稀释法tube-shell type管壳式Tube Shaping Mill管料冷弯机

1. Preference is discussed for the suitable Strength calculation formula of the thin tubeplate in fixed tubesheets of heat exchangers and a feasible method is given.
   讨论固定管板式薄管权换热器设计中薄管板强度计算公式的选用，并对其进行适当的简化，提出一种切实可行的计算方法。