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| 71. | layered gravel and charcoal to make a filter. |
| 将砂砾和木炭分层以做成过滤器 |
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| 72. | The gravel pans well. |
| 那砂砾产金量高。 |
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| 73. | The center of a starch granule. |
| 淀粉颗粒的中心 |
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| 74. | sluice ore,ie to separate it from gravel,etc |
| 冲洗矿砂（使之与砂砾等分开） |
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| 75. | magnesium granule, graded according to size |
| 镁粒,按大小分级 |
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| 76. | Beach pebbles worn smooth by detrition. |
| 海岸上的砂砾被磨得非常光滑 |
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| 77. | automatic granule filling and packing machine |
| 自动颗粒包装机 |
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| 78. | acid gritty-textured fruit. |
| 酸的、吃起来有砂砾感的水果。 |
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| 79. | Then he dumped some gravel in and shook the jar, causing pieces of gravel to work themselves down into the space between the big rock. |
| 他把一些砂砾倒进瓦罐，然后摇了摇，这些砂砾便渗进石块的缝隙中。 |
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| 80. | granule ,of monumental or building stone, artificially coloured |
| 纪念碑用或建筑用石料颗粒,人工上色 |
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