短語詞組短語saturated layered half -space 飽和半空間saturated porous half -space 飽和多孔半空間saturated elastic half -space 飽和彈性半空間saturated poroelastic half -space 飽和彈性半空間layered saturated half -space 飽和層狀地基fluid -saturated porous half space 多孔飽和半空間 返回 saturated half-space