在硅片研磨过程中，由于应力的积累和剧烈的机械作用，硅片表面损伤严重，碎片率增加。
In the process of wafer polishing, the wafer surface could be damaged badly and fragment rate will increase sharply, because of the accumulation of stress and the mechanical action.
研究了重晶石在搅拌磨湿法超细研磨过程中产生的机械力化学效应。
The mechanochemical effect of barite particles is studied during the wet ultrafine grinding by using stirred mill.
在一些生产作业中，如机械手去毛刺作业、研磨、抛光和机械手自动装配作业，机械手的接触力控制是相当关键的。
In some applications of manufacture, for example robot burring, grinding, polishing, and robot auto assembly, the contacting force control between robot and its environments are critical.
研磨机床的振动是影响金刚石刀具机械研磨质量的重要因素，尤其在精密研磨工序。
Vibration of lapping machine is an important influencing factor on the lapping quality of diamond cutting tools in mechanical lapping, especially in the precision lapping process.
超声研磨在机械制造与精密加工领域已有广泛的应用。
The ultrasonic lapping has already widely used in the precise machining of the other area.
深部井段地层的硬度高、研磨性强，钻头选型困难，特别是在高密度条件下机械钻速低。
The deep formation has a high degree of hardness and abrasivity; the bit type selection is difficult and the ROP is low especially under the high density mud.
深部井段地层的硬度高、研磨性强，钻头选型困难，特别是在高密度条件下机械钻速低。
The deep formation has a high degree of hardness and abrasivity; the bit type selection is difficult and the ROP is low especially under the high density mud.
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