... perforation channel 射孔孔道 perforation charge 射孔弹 perforation cleaning 炮眼清洗 ...
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perforation charge
射孔弹
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The technology uses deep penetration perforation charge with high perforation density and large perforation diameter and surging perforation with greater pressure differential.
它采用高孔密大孔径深穿透射孔弹和大压差抽吸炮眼清洗技术，不仅能提高油井产能，解除近井带污染，还可以改善防砂完井效果。
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