Initial strength degradation were caused by the cone cracks, subsequent and much more deleterious loss was caused by radial cracks.
锥状裂纹的产生导致试件强度的首次下降，后继的更为严重的强度下降由放射状裂纹引起。
Initial strength degradation were caused by the cone cracks, subsequent and much more deleterious loss was caused by radial cracks.
锥状裂纹的产生导致试件强度的首次下降，后继的更为严重的强度下降由放射状裂纹引起。
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