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通过大量试验证明,侧切三点弯曲试件是直接测定中、低强度钢K_(1C)值的一种理想试件,并给出试件及侧切尺寸要求。
Through a large number of experiments, it has been proved that the three-point bending test specimen is an ideal test specimen for directly measuring the K_ (1C) value of medium and low strength steel.