| 摘要 |
PURPOSE: A hand-held thermostat is provided to prevent the heating efficiency of a portable butane gas tank by positioning a water tank next to a butane gas tank. CONSTITUTION: A hand-held thermostat comprises a portable butane gas tank(320), a water tank(310) and a fine hose. The portable butane gas is used in order to heat the water. The water tank stores the water which is heated in order to keep warm the cold portable butane gas tank. The warm water circulates through the fine hose. |
