pneumatically-operated cargo valve

例句：

1. 1. The pneumatically-operated cargo valve is essential for maintaining the integrity of the pipeline system.
   气动操作的货物阀门对于保持管道系统的完整性至关重要。
2. 2. The engineers had to replace the pneumatically-operated cargo valve with a new one due to its failure.
   由于阀门故障，工程师们不得不用一个新的气动操作货物阀门来替换它。
3. 3. The pneumatically-operated cargo valve was designed to prevent leaks and ensure safe operationof the pipeline system.
   这个气动操作的货物阀门被设计用来防止泄漏并确保管道系统的安全可靠运行。