elasticity tester

例句：

1. 1.The elasticity tester was used to measure the material's stretchability.
   弹性测试仪用于测量材料的伸缩性。
2. 2. The engineer used the elasticity tester to ensure the product met the required standards.
   工程师使用弹性测试仪确保产品符合所需标准。
3. 3.The elasticity tester helped us identify the weak spots in the fabric.
   弹性测试仪帮助我们识别出织物的弱点。