A new linear displacement sensor with sealed ultra-long precision steel belt grating is studied.

研制了一种新型的密封式超长精密钢带光栅线位移传感器。

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A new ultrasonic honing device which is used to hone long precision holes of high-strength steel is designed and manufactured and honing experiment research is done in this paper.

针对高强度钢精密深孔加工中存在的难题，研制了一套超声珩磨装置并进行了试验研究。

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Kelly happens to be a rather dedicated Breitling watch lover, and has a long history with precision tools and machines.

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Workers in blue uniforms and blue hairnets were moving in swift precision around long temperature-controlled assembly lines, sealed off from dust and contamination by glass walls.

NEWYORKER: Green Giant

As a result Precision, which not long ago was a bargain, has become a pricey stock.

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