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| 61. | air-inlet hanged trough cell |
| 充气挂槽浮选机 |
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| 62. | tropical upper-tropospheric trough |
| 热带对流层上部槽 |
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| 63. | fault trough submarine valley |
| 断槽海底谷 |
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| 64. | U-trough scraper conveyor |
| Ｕ型槽刮板输送机 |
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| 65. | trough-type public toilet |
| 槽式冲水公厕 |
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| 66. | double-trough type mixer |
| 双槽式拌和机 |
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| 67. | parabolic trough collector |
| 槽形抛物面集热器 |
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| 68. | effective cross-section of trough |
| 机槽有效截面 |
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| 69. | double shaft trough mixer |
| 双轴槽式搅拌机 |
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| 70. | A trough or flume used in washing ore. |
| 槽洗机洗矿用的水槽或流槽 |
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