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人体秤指针不回零的原因及其修复人体秤使用一段时间后，往往出现指针不回零的问题，并且随着频繁使用，指针不回零的程度就越大。尽管在称量前将指针调至零位，但称量后指针仍不能回零。程度大的根本不能将指针调到零位。产生指针不回零的原因是弹簧的永久性变形。人体秤...
The reason why the human scale pointer does not go back to zero and its repair After using the human scale for a period of time, the problem that the pointer does not go back to zero often occurs, and the degree of not returning to zero with the frequent use is larger. Although the pointer is adjusted to zero before weighing, the pointer can not be returned to zero after weighing. To a large extent can not transfer the pointer to zero. The reason that the pointer does not come back to zero is the permanent deformation of the spring. Body scale ...