Inspect lube oil level flow, temperature, color, and cleanliness.
检查润滑油的油位, 温度, 颜色及干净程度.
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The - micron particle deposition is due to the thermophoretic force in boundary layer under high flow temperature.
当温度较高时,在边界层内,热泳力超过由于速度梯度造成的横向沙夫曼力,是使细颗粒发生热泳沉积的重要原因.
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