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leak stopping
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leak stopping
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leak stopping
堵漏
采用不同的挤堵方法,将水泥或复合化学堵剂以一定的压力和排量挤入破漏管外,并在管内留有一定长度的堵塞,从而封堵套管破漏的作业过程。
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proton-deficient isotope
proton-deficient nuclide
Proton D family upper stage
proton distribution
proton donor
proton drip line
proton drip-line
proto-nebula
proton-electron-proton reaction
protonema
proton emission
protonephridium
proton event
proton exchange membrane
proton-exchange membrane
proton exchange membrane fuel cell
proton exchange membrane fuel cell (PEMFC)
proton exchange membrane, PEM
proton excited X-ray fluorescence spectrometry
proton excited Xray fluorescence spectrometry
proton flare
Proton flares
proton halo
proton halo nucleus
proton hydrate
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