无接箍套管 integral joint casing 高强度套管 high-strength casing 限定屈服强度套管 limited yield strength casing 套管程序 casing program 表层套管 surface casing ..
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The proposal model of the high collapse strength in this paper can't only provide the given reference for the present high collapse strength, but also improve the casing manufacturing quality.
本文给出的高抗挤套管抗挤强度计算的建议模型，不仅可提供现行高抗挤套管抗挤强度的额定参考值，而且帮助厂家改进高抗挤套管质量。
To solve this problem, a special casing - TP130TT high collapsing strength heavy casing has been developed.
针对这一问题，开发了一种特殊套管——TP130 TT高抗挤厚壁套管。
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