Sure to rotate the pump shaft when pouring lubricating grease, in order that the grease can get into packing cavity fully until have grease oozed out from gland.

注入润滑脂时必须旋转泵轴，以使其充分进入填料腔，直到填料压盖端有油脂渗出为止。

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It shows that the lubricant with nano-Cu additive can improve the lubricating performance and reduce wear.

试验结果表明：纳米铜添加剂可以有效地提高润滑性能，减小喷油泵的磨损。

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The colloidal stability, the mechanical stability and the lubricity of lubricating grease can be explained by means of this concept.

应用这一概念，可以解释润滑脂的胶体安定性、机械安定性和润滑性。

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Four out of five American households have at least one blue-and-yellow spray can for lubricating the stubborn elbow joint under the kitchen sink or silencing the squeaky screen door.

FORBES: Greasy Coca-Cola