目录: 标题| 题干| 答案| 搜索| 相关
问题

For what purpose are the diving pipes


For what purpose are the diving pipes used?

  • A To absorb heat from the sun.
  • B To store heat for future use.
  • C To turn solar energy into heat energy.
  • D To carry heat down below the surface.
参考答案
参考解析:
分类:其他