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| 71. | sulfurous spring |
| 硫黄泉 |
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| 72. | marginal spring |
| 回动弹簧 |
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| 73. | thermomineral spring |
| 热矿泉 |
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| 74. | independent spring |
| 独立弹簧 |
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| 75. | override spring |
| 超负荷弹簧 |
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| 76. | Spring Balancer |
| 弹簧平衡器 |
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| 77. | spring mattress |
| 席梦思 |
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| 78. | protected spring |
| 覆盖泉 |
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| 79. | contact spring |
| 接触簧片 |
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| 80. | actuator spring |
| 执行机构弹簧 |
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