| 摘要 |
The invention relates to a tube for measuring heat consumption comprising a tubular body (1) that is closed at a first end (2) and open at a second end (3), wherein an evaporative liquid is present in the tubular body, wherein the lumen of the tubular body in the liquid-filled area has a cross section area that is smaller than the area of a circle having a diameter of 3.5 mm, and wherein the tubular body is provided with a constriction of the lumen above the liquid filling. |
