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消费可能线的限制条件可用公式表示为:()。
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互感器误差测量装置差流(或差压)测量回路的二次负荷对被检互感器的影响,不得大于被检互感器误差限值的1/10。
梁受固定集中荷载作用,当局部挤压应力不能满足要求时,采用()是较合理的措施。