The Ondol heating system is an important part of the Korean life style.
暖炕是韩国重要的供暖方法和生活方式的一种。
The calandria arrangement in the furnace floor flue gas channel that is formed by the ondol pier bricks with circular sections greatly lowers the local resistance loss of flue gas.
由圆形截面的炕墩砖，在炉底烟气通道中形成的排管式排 列，将大大降低烟气的局部阻力损失。
The calandria arrangement in the furnace floor flue gas channel that is formed by the ondol pier bricks with circular sections greatly lowers the local resistance loss of flue gas.
由圆形截面的炕墩砖，在炉底烟气通道中形成的排管式排 列，将大大降低烟气的局部阻力损失。
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