“hydrogeological well pipe”的概念、定义、翻译、参考文献-科学参考

单词	hydrogeological well pipe
释义	hydrogeological well pipe Encyclopedia 工学水文地质钻探释 hydrogeological well pipe水文地质井管保护井壁的套管。有时也泛指套管与滤水管。如全部岩层为坚硬的稳定性岩石时，不需要安装井管，以孔壁当井管使用。又称井壁管。
随便看	hexadecachoron hexadecagon hexadecane hexadecane number hexadecanoic acid hexadecimal hexadecimal digit hexadecimal notation hexadecimal number hexadecimal number system hexadecimal system hexadin hexaflumuron hexagon hexagonal hexagonal board hexagonal boron nitride hexagonal close-packed structure HCP structure hexagonal close packing hexagonal closure condition hexagonal crystal system hexagonal dipyramid hexagonal grid hexagonality closure condition hexagonal lattice

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