periodical survey of cargo gear

例句：

1. 1.The company conducts periodic surveys to ensure the quality of its products.
   公司进行定期调查以确保其产品的质量。
2. 2.During the periodical survey, the inspector found several issues with the building's safety systems.
   在定期检查期间，检查员发现建筑的安全系统有几个问题。
3. 3. The government has launched a periodical survey to gather feedback on public transportation.
   政府已启动一项定期调查，以收集对公共交通的反馈。