| 1. | Metalline phase diagram experimental stove , microcomputer controller , accessories ( from front to back : platinic resistance , rubber stopple and stainless steel thimble inserted into the glass tube , white carborundum tube 从前向后为铂电阻、橡皮塞与不锈钢套管插在玻璃管中、白色碳化硅管) |