open cup test

例句：

1. 1. The engineer conducted an open cup testto ensure the seal was tight.
   工程师进行了开杯测试，以确保密封紧密。
2. 2. During thetesting phase, the team conducted several opencup tests to identify any potential issues.
   在测试阶段，团队进行了几次开杯测试，以识别任何潜在问题。
3. 3. The manufacturerrequired all new products to pass an opencup test before they could be sold.
   制造商要求所有新产品在销售前必须通过开杯测试。