Average rate of the deposit defect examined is below 1.5%. The causation and situation of microcracks and voids are analysed in the test.

试验对堆焊层的平均孔隙缺陷率进行了测算，测算结果为碳化钨合金颗粒平均孔隙缺陷率低于1.5 % ，并对裂纹、孔隙分布及产生原因进行了分析。

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Average rate of the deposit defect examined is below 1.5%. The causation and situation of microcracks and voids are analysed in the test.

试验对堆焊层的平均孔隙缺陷率进行了测算，测算结果为碳化钨合金颗粒平均孔隙缺陷率低于1.5 % ，并对裂纹、孔隙分布及产生原因进行了分析。

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