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波纹管堵漏技术
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波纹管堵漏技术
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工学
膨胀管波纹管技术
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bellows plugging technology
波纹管堵漏技术
将具有良好塑性变形能力和较高机械强度的无缝钢管压制成小于原管直径的波纹状截面管柱后下至预定井段,利用液压力使其产生永久塑性变形,将其内径扩大到需要的尺寸,从而达到封堵低压、恶性井漏等复杂层段的方法。
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individual noise protection
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individual oil-driven type steam distributing gear
individual ownership
individual parameter
individual-particle model
individual/personal interest
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individual profiling
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individual proposition
individual proprietorship enterprise
individual psychology
Individual pursuit race
individual qualification registration system of construction industry
individual quota system
individual race of short track speed skating
individual rationality
individual recurved bow of Summer Paralympics
individual risk theory
individual road race
individual selection
individual self
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