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| 11. | sufficiently high viscosity at high operating temperatures to ensure the formation of a continuous film of oil between |
| 润滑油在较高的工作温度下必须具有足够高的粘度，以确保轴承和轴之间形成连续的油膜. |
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| 12. | sufficiently high viscosity at high operating temperatures to ensure the formation of a continuous film of oil between |
| 在高工作温度下，这种润滑油必须具有足够高的粘度，以确保在轴承和轴之间形成一层连续的油膜，起到降低磨损、防震动和噪声的作用。 |
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