enlarged preliminary design

例句：

1. 1. The company has already started the enlarged preliminary design phase of its new project.
   该公司已经开始了新项目的扩大初步设计阶段。
2. 2. During the preliminary design phase, engineers work to create a blueprint for the project.
   在初步设计阶段，工程师们致力于为项目制定蓝图。
3. 3. The team will continue with the enlarged preliminary design, refining the details and making necessary adjustments.
   团队将继续进行扩大初步设计，细化细节并进行必要的调整。