| 摘要 |
<p>A water supply system comprises a flexible water tank and a water heating unit. The flexible water tank comprises an outer layer, an inner layer, and an isolating layer in between the two. The outer layer is made of a strong and flexible material and the inner layer is made of a food-safe material. The water heating unit comprises a mechanism for connection to the power source and electrical heating strips that are attached to the inner layer of the flexible water tank.</p> |
