| 摘要 |
A hydraulic weighing machine includes a base, a weighing platform, an expandable bag, an upright stand, and a vertically extending weight scale. The expandable bag is disposed on a load bearing side of the base, and supports the weighing platform thereon. The bag is filled with a liquid body. When pressure is applied on top of the weighing platform, the bag will be pressed, and the liquid body in the bag will be forced to flow into a transparent tube of the weight scale so that the liquid level in the latter rises accordingly. Thus, an indication of the weight value corresponding to the amount of the applied pressure can be obtained from graduations of the weight scale.
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