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| 91. | entrained sand particle |
| 夹带砂粒 |
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| 92. | storage sand bucket |
| 储砂斗 |
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| 93. | sand - bag damming |
| 砂袋筑堤(法) |
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| 94. | coastal sand dune |
| 海岸沙丘 |
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| 95. | gravel pack sand |
| 砾石充填砂 |
|
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| 96. | silicious sand stone |
| 玻璃砂 |
|
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| 97. | wind - drift sand |
| 风成沙 |
|
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| 98. | agitating sand mixer |
| 搅拌式混砂机 |
|
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| 99. | green sand mold |
| 湿砂型 |
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| 100. | dry sand casting |
| 干型铸造 |
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