| 摘要 |
<p>A solar heating mat which comprises a lower insulating member (12), an upper insulating member (14) and a removable inner tube (10). The upper insulating member (14) is transparent to solar radiation, and the tube (10) is absorbent of solar radiation. Inner tube (10) has an inlet connection (18) and outlet connection (20) so that a liquid e.g water can circulate through the tube and be heated.</p> |
