| 1. | As the diamond tip of the drill revolves, it is lubricated by mud .
钻探机的金钢石钻头转动时，由泥浆起润滑作用。 |
| 2. | In metal lubrication two distinct regions are recognized: boundary and hydrodynamic .
在金属的润滑作用中存在两个不同区段：边界和流体区。 |
| 3. | In land animals, saliva contains mucus, and provides lubrication for food in the alimentary canal .
陆上动物的唾液内有粘液，并对消化道内的食物起着润滑作用。 |
| 4. | At th same time , good lubrication of the moving parts is achieved
同时，对活动部件有很好的润滑作用。 |
| 5. | At the same time , good lubrication of the moving parts is achieved
同时，对活动部件有很好的润滑作用。 |
| 6. | Colloidal graphite lubrication
胶态石墨的润滑作用 |
| 7. | Also the fill medium can lubricate the internals and provide a longer gauge life
通过向表内充油，对仪表内部零部件起到润滑作用，延长了仪表的适用寿命。 |
| 8. | We say and hear things in a mindless fashion , because what ' s really important is that our words serve as a social lubricant2
我们之所以不假思索地说着或听着那些客套话，是因为其真正的重要性在于我们的这些客套话在社会交往中可起润滑作用。 |
| 9. | Suspension fluid - - used inside a shock absorber to create damping when forced through orifices or valving . the fluid is also used for lubrication and should be incompressible
悬挂用液体用于减震内，当油被迫使通过小孔或阀门时吸收或产生阻尼的。也起润滑作用，它应该是不可压缩的。 |
| 10. | You are correct about the - 40c miscibility problems . the oil has to have a low pour point in order to flow and still have sufficient viscosity for the compressor lubrication
你谈到油在40度的溶解性的问题是正确的。油不得不具有有一个很低的流动点（流（动）点：油或其他液体在规定条件下流动的最低温度） ，还需要有足够的粘度作为压缩机的润滑作用。 |
