关于换热器的几句英文? more polish: 1.tube to tubesheet joint shall be strength welded followed by light expansion. 管子与管板的连接应是轻微胀接再加强度焊。 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. 注意,为再沸器选定的管间距与技术附件3.1.3.9的要求有偏差,但对于保证该装置的最佳设计是必要的。 3.tubes shall be provided with tapered ends, tapere-cut angle 45 degrees. 换热管应具有带45度锥角的锥形端头。 4.tube to tubesheet joint shall be rolled. 管子与管板的接头应是滚压接合? 查看更多