automatic steam vacuum glass jar sealing machine

例句：

1. 1. The car is an automatic transmission.
   这辆车是自动变速器。
2. 2. The machine is automatic in its operation.
   这台机器在操作上是自动的。
3. 3. The factory uses automatic machines to produce goods.
   这家工厂使用自动机器生产商品。