plus-pressure furnace

例句：

1. 1. The plus-pressure furnace is used to heatthe metal.
   加压炉用于加热金属。
2. 2. Theplus-pressure furnace is a crucialpart of the manufacturing process.
   加压炉是制造过程中至关重要的部分。
3. 3. The plus-pressure furnace is designed to withstand hightemperatures and pressures.
   加压炉设计用来承受高温和高压。