英语语法分析

Tubesheet is the most important and complicated part of tube-and-shell heat exchanger.

而管板是管壳式换热器中最重要也是最复杂的承压部件。

Tubesheet is the most important and complicated part of shell-and-tube heat exchanger.

而管板是管壳式换热器中最重要也是最复杂的承压部件。

This system can provide a tool of analysis, calculation and design for the fixed tubesheet heat exchangers.

该系统主要为固定管板式换热器设计开发人员提供一种分析、计算和设计的工具。