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bellows plugging technology
释义
bellows plugging technology
Encyclopedia
工学
膨胀管波纹管技术
释
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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coarse-graining
coarse graining method
coarse-group
coarse hair
coarse hair rate
coarse intelligence
coarse mode
coarse moduli scheme
coarse moduli space
coarse motion
coarse mottle
coarse needle weft-knitted fabric
coarseness
coarsening
coarse ore bin
coarse particle
coarse particle flotation
coarse particle mode
coarse porous/hollow concrete
coarse pulverized coal separator
coarser covering
coarser partition
coarser relation
coarser structure
coarser topology
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