Surface zone: surface zone is relatively constant and more radiopaque than the other zones.
表层：龋损区表面有一较为完整的表层，且较深层有更强放射阻射。
The vadose zone supplies plant roots near the surface with water.
包气带为地表附近的植物根系提供水分。
Fractured zone has a crudity surface with a pitch.
断裂带表面粗糙，并带有斜度。
So slope surface protection and inside bailing within great storm zone should be emphasised.
因此，暴雨区的坡面防护和坡内排水应给予重视。
The zone between the water table and the surface is called the zone of aeration.
潜水面与地表之间的地带称为饱气带。
The zone between the water table and the surface is called the zone of aeration.
潜水面与地表之间的地带称为饱气带。
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