needle penetration test

例句：

1. 1. The engineer conducted a needle penetration test on the new material to ensure its strength.
   工程师对新材料进行了针穿透测试，以确保其强度。
2. 2.During the testing phase, the needle penetration test was crucial for determining the material's durability.
   在测试阶段，针穿透测试对于确定材料的耐用性至关重要。
3. 3. The company insisted on conducting a needle penetration test before approving any new product.
   公司在批准任何新产品之前坚持进行针穿透测试。