It is effective to wash its tubepass with some solution and its shell pass with acid.
为此，配制一定浓度的溶液分别对表面冷凝器壳程进行药洗、管程进行酸洗，取得了良好效果。
2
The intensified heat transfer techniques of tubepass is a important hand for intensified heat transfer of shell-and-tube heat exchanger.
管程的强化传热是管壳式换热器强化传热的一个重要方面。
3
When they are found, doctors pass a tube with a balloon into the narrowed area and inflate the balloon to compress plaque deposits against the side of the artery.