The perforation performance is an important index of oil - layer casing representing the resistance to initial brittle crack growth.
射孔性能是油层套管很重要的一项指标，它代表着油层套管抵抗裂纹脆性扩展的能力。
The perforation performance is an important index of oil - layer casing representing the resistance to initial brittle crack growth.
射孔性能是油层套管很重要的一项指标，它代表着油层套管抵抗裂纹脆性扩展的能力。
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