Took to the traditional process improvement, proposed one kind in view of the tire valve cone-shape packing surface trundle processing method.

作为对传统工艺的改进，提出了一种针对气门锥形密封面的滚压加工方法。

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The Illinois researchers made their electrode by coating a surface with tiny polystyrene spheres just a few hundred nanometers across, packing the spheres together into a regular lattice structure.

伊利诺伊大学的研究者们先在阴极表面镀上聚苯乙烯小球构成的镀层，这些小球只有几百个纳米大小。

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Stem and packing chamber walls. Close roundness, straightness and superior 8–16 RMS or burnished surface finish.

阀杆和填料腔壁。精确的圆度和平直度，高级8-16 RMS或镜面表面光洁度。

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The American second seed was still on court well past midnight and, on her least favorite clay-court surface, was sent packing 6-2 2-6 6-1 by Swiss Patty Schnyder.

CNN: Ivanovic follows Serena in crashing out