delivery tube

例句：

1. 1.The delivery tube was used to deliver the baby safely into the world.
   输送管被用来将婴儿安全地送入这个世界。
2. 2.The delivery tube was attached to the mother's abdomen and connected to the baby's mouth.
   输送管连接到母亲的腹部，并连接着婴儿的嘴巴。
3. 3. The delivery tube was used to monitor the baby's heart rate during the birth process.
   输送管用于在分娩过程中监测婴儿的心率。