卡式炉 是什么？是那种安个易拉罐嘎斯的简易炉子吗 https://t.co/VjYn0QE9qc https://video.twimg.com/amplify_video/1782194285569576961/vid/avc1/576x1024/I-rUQkeTXYG-qnYB.mp4?tag=14
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