high pressure air bottle

例句：

1. 1.This high pressure air bottle is used to store and transport gases.
   这个高压空气瓶用来储存和运输气体。
2. 2. The engineer carefully filled the high pressure air bottle with nitrogen gas.
   工程师小心地用氮气填充高压空气瓶。
3. 3. During the operation, the technician must ensure that the high pressure air bottle is properly sealed.
   在操作过程中，技术员必须确保高压空气瓶被正确密封。