block flowsheet

例句：

1. 1. 英文：The engineer drew a block flowsheet to show the system's design.
   工程师绘制了一块流程图来展示系统的设计方案。
2. 2.英文：The block flowsheet helped us understand the complex system better.
   这块流程图帮助我们更好地理解这个复杂的系统。
3. 3. 英文：The block flowsheet was used to analyze the energy consumption of the building.
   这块流程图被用来分析建筑物的能源消耗。