steam gland

例句：

1. 1.The steam gland is responsible for the circulation of water in the engine.
   蒸汽腺负责发动机中水的循环。
2. 2. The engineer carefully inspected the steam gland to ensure its proper functioning.
   工程师仔细检查了蒸汽腺，确保其正常工作。
3. 3. The steam gland was clogged, causing a significant delay in the production process.
   蒸汽腺堵塞了，导致生产过程严重延误。