tectonic ground crack 构造性地裂缝
structural ground crack 构造地裂缝
linear ground crack zones 地裂缝带
non-tectonic ground crack 非构造性地裂缝
investigation of ground crack 地裂缝勘察
Crack ground 地裂
crack ground water 裂隙地下水
pore-crack ground water 孔隙裂隙地下水
a crack in the ground 地上的裂缝
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