sand pack filter
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pack sand filter
充填砂过滤层
a rope of sand
不牢固的结合
asphaltic sand
沥青质砂
asphalt sand mastic
地沥青砂胶
Asphalt Sand
沥青砂
Ash sand ratio
灰砂比
Artificial sand fixation vegetation
人工固沙植被
Artificial Sand
人工砂
机制砂
artificial Longling limestone sand
小波零树编码
龙陵灰岩人工砂
artificial forestland for sand control
人工固沙林
artifical silica sand
辗制硅砂
Arsenical sand rock
砒砂岩
arid sand area
干旱沙区
argillaceous sand stone
泥沙石
argillaceous sand
自动跟踪
锁住
粘质砂土
泥质砂层
arenaceous sand
增加舵角
石英砂
areas with sand and coarse sediment
多沙粗沙区
area along radial sand ridges
辐射沙洲沿岸
arch sand control
砂拱防砂
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