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不等臂性即偏差也称臂差,是用以表示横梁两臂的长度是否具有固定的比例关系。对于等臂天平来说,横梁两臂的长度之差(即偏差)应当符合一定的要求。新生产或修理后的具有
Unequal arm is the deviation that is also called arm deviation, is used to indicate whether the length of the two arms of the beam has a fixed proportional relationship. For the arm balance, the difference between the length of the two arms of the beam (ie deviation) should meet certain requirements. Newly produced or repaired with