关于换热器的几句英文? 1. Tube to tubesheet joint shall be strength welded followed by light expansion . 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. 3. Tubes shall be provided with tapered ends, tapere-cut angle 45 degrees. 4. Tube to tubesheet joint shall be rolled. [ ]查看更多14个回答 . 1人已关注