experimental rig

例句：

1. 1.The scientist used an experimental rig to test the new drug's effectiveness.
   科学家使用实验装置来测试新药的有效性。
2. 2.The engineer designed a new experimental rig for testing the material's strength.
   工程师设计了一种新的实验装置用于测试材料的强度。
3. 3.The physicist conducted experiments using an experimental rig to study the behavior of matter.
   物理学家使用实验装置进行实验，研究物质的行为。