Resistance heater equipped with the cylinder, ensuring that heat is transmitted evenly and rapidly.
机筒上装有电阻加热器，热传递快而均匀。
2
The device thoughts and modification progress that modified one cylinder with high pressure, condensing steam turbine to a extraction and supplying heater ones are introduced.
介绍将高压单缸凝汽式汽轮机改造为抽汽供热式机组的设计思路及施工改造过程。
3
It is used as a protector of all-pole disconnection, which is suited for water heater, water boiler, cylinder washer.