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81. | bimetallic oil pressure indicator |
| 双金属式机油压力表 |
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82. | normal duty oil |
| 正常负荷机油 |
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83. | multi-viscosity oil |
| 多粘度机油 |
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84. | additive engine oil |
| 含添加剂的机油 |
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85. | sub-zero engine oil |
| 低温[寒区]机油 |
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86. | "We have already discussed causes of excessive oil consumption, oil dilution, and water-sludge formation and why it is necessary to change oil periodically. In the engine, the places where oil may be lost will cause high oil consumption." |
| 我们已经讨论过引起机油过量消耗、机油变 |
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87. | beater oiling roller |
| 打浆机油辊 |
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88. | mobile oil |
| 流性油, 机油 |
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89. | to make a replacement; to exchange; to replace; to change |
| 更换 |
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90. | automobile engine oil filtration material |
| 汽车机油过滤材料 |
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