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| 公开/私有: | 公开 私有 |
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| 公开/私有: | 公开 私有 |
- lubrication and lubricants (3)
- analysis (1)
- film bearings (1)
- fluid (1)
- fuel consumption (1)
- industrial equipment (1)
- internal combustion engines, spark ignition (1)
- machinery (1)
- maintenance and repair (1)
- 发动机润滑油 (1)
- 天然气发动机 (1)
- 密封技术 (1)
- 摩擦 (1)
- 润滑 (1)
- 研究 (1)
- 自燃 (1)
- 蒸发 (1)
- 金属切削加工及机床 (1)
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