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| 脂类润滑油一种空调压缩机油 | |||
| 合成酯类润滑油; 酯类合成润滑油 | |||
| 由酯组成的合成油 | |||
| 酯油 | |||
| ester oil: 12 phrases in 6 subjects |
| Animal husbandry | 2 |
| Automobiles | 2 |
| Chemistry | 1 |
| Oil / petroleum | 2 |
| Plastics | 3 |
| Technology | 2 |
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