marine flame proof axial flow ventilator

例句：

1. 1. The marine flame-proof axial flow ventilator is an essential tool for firefighters in the deep sea.
   深海消防员必备的海洋防火轴流式通风机。
2. 2. The new model of the marine flame-proof axial flow ventilator has been launched.
   新型海洋防火轴流式通风机已推出。
3. 3. The engineers carefully inspected the marine flame-proof axial flow ventilator before installingit.
   工程师们在安装之前仔细检查了海洋防火轴流式通风机。