| 摘要 |
An embodiment of the present invention provides a level device comprising a first liquid and a second liquid having a specific gravity smaller than that of the first liquid; a first chamber unit including a first chamber for holding the first liquid and the second liquid and a first channel having a cross section smaller than that of the first chamber and connected to one side of the first chamber to move the second liquid; a second chamber unit including a second chamber for holding the first liquid and the second liquid and a second channel having a cross section smaller than that of the second chamber and connected to one side of the second chamber to move the second liquid; and a chamber connection unit connecting the first chamber and the second chamber to move the first liquid. |
