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.
英
美
- 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).