探讨在干燥条件下，在牙齿排齐整平阶段应用不同的自锁托槽与不同的镍钛圆丝组合所产生的滑动阻力。
To compare the level of friction resistance (fr) of different design self-ligating brackets using various bracket-wire combination in dry state during orthodontic phase of leveling and aligning.
之所以这样是因为对运动的阻力基本上源于滚动零件的变形，而不是滑动现象。
This is so because the resistance to motion is essentially due to the deformation of the rolling elements and, hence, is not a sliding phenomenon.
如果气门间隙需要调节，松开摇臂调节螺丝上的防松螺母，转动调节螺丝直到测隙规滑动时稍带阻力为止。
If valve clearance needs to be adjusted, loosen the locknut on rocker arm adjusting screw. Turn adjusting screw until feeler gauge slips with a slight drag.
分析了球磨机采用滑动轴承存在摩擦阻力大的弊端。
Various shortcomings existed for the adoption of slide bearing in the ball mill was analyzed.
将你的思想焦点感觉你的双手做在游泳的时候。你通过水让你自己意识到滑动的差异，或创造的阻力。
Shifting your mental focus to feeling what your hands naturally do at the front of your stroke, can make you aware of the difference between sliding through the water, or creating resistance.
分析了球磨机采用滑动轴承存在摩擦阻力大的弊端。
The disadvantages of big friction resistance used by sliding are be analysed.
滑动板上的两个火线触点为平面形的，使拧装灯泡时阻力小不易损坏；
Two live wire contacting points on the sliding plate are in flat form, which reduces resistance force when the bulb is screwed, and the bulb is uneasy to be damaged.
滑动板上的两个火线触点为平面形的，使拧装灯泡时阻力小不易损坏；
Two live wire contacting points on the sliding plate are in flat form, which reduces resistance force when the bulb is screwed, and the bulb is uneasy to be damaged.
应用推荐