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| 81. | electric sea water heater |
| 海水电加热器 |
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| 82. | seawater chemistry |
| 海水化学 |
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| 83. | nutrient salts in sea water |
| 海水营养盐 |
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| 84. | fisherman's grease |
| 海水用水润滑 |
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| 85. | organic matter in sea water |
| 海水有机物 |
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| 86. | Gelid ocean waters. |
| 极冷的海水 |
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| 87. | thermal properties of sea water |
| 海水热性质 |
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| 88. | international ice patrol |
| 国际海水巡逻队 |
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| 89. | Wan Chai Salt Water Pumping Statio |
| 湾仔海水抽水站 |
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| 90. | dissolved substances in seawater |
| 海水溶解物质 |
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