关于换热器的几句英文？ 1.tube to tubesheet joint shall be strength welded followed by light expansion. 管子与管板的焊缝应是强度焊再加贴胀。(这是管板焊接的几个基本形式之一). 2.note that the tube pitch selected for the reboiler is a deviation from the requirements of the technical appendix 3.1.3.9, but is necessary to ensure the optimum design for the units. 说明一点,为再沸器选定的管心距（或管间距）的偏差应来自于技术附件3.1.3.9的要求，但仍有必要确保此处的最佳设计需求。 3.tubes shall be provided with tapered ends, tapere-cut angle 45 degrees. 应提供45度锥角的锥形端头管子。 4.tube to tubesheet joint shall be rolled. 管子与管板的接头应是翻边的/管板自动焊的.(有点疑惑).查看更多
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