Lesson 10: Building the New Bridge – Top, Bottom, and Testing
《第十课:建立新桥 – 顶部，底部和测试》

By the end of this lesson each group should have completed the top and bottom of their bridges, assembled the 4 sections, and tested their bridge to see if it is sturdy enough to support the minimum load requirements.

在本课结束时，每个小组都应该完成桥的顶部和底部，组装4个部分，并测试他们的桥，看看它是否足够坚固，以支持最低负载要求。