太阳灶的灶面结构包括基面部分和反光材料面、（）、圆锥面、菲涅耳反射面、抛物柱面等
题型：填空题
问题：
太阳灶的灶面结构包括基面部分和反光材料面、（）、圆锥面、菲涅耳反射面、抛物柱面等
题型：填空题
| 从方框中选择合适的单词，然后用其正确形式填空。 | |
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| 1. This is a very _______ photo. 2. T  he piano is a _______ of musical instruments.3. Do you know what the _______ of Tian’anmen Square is? 4. The new mobile phone _______ its small size. 5. They  _______ him with a bunch of flowers. |