vertical barrel type heater

例句：

1. 1.This vertical barrel type heater is perfect for heating up a pot of soup.
   这种垂直管式加热器非常适合加热一锅汤。
2. 2.The engineer designed the vertical barrel type heater to heat up the room quickly.
   这位工程师设计了这种垂直管式加热器，以便快速加热房间。
3. 3. The vertical barrel type heater was used in the old coal mines to warm the workers.
   在旧煤矿中，这种垂直管式加热器被用来给工人取暖。