Introduced the gang circular main structure, technical characteristic and feature.

介绍了锯机的主要结构、技术特点及整机性能。

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Results show that the pressure field and fluid field of the circular main oil pocket are stable and proportional;

结果显示，圆形主油腔使压力场及流场稳定、均衡；

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The opening air-gaps with circular main pole arc are usually used to improve the potential curve of commutator on non-compensable d. c. traction motors.

在无补偿直流牵引电动机中，通常采用主极极弧为圆弧的扩张气隙来改善换向器电位特性。

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The main circular building, known to BBC employees as "the doughnut", will become a hotel and apartments.

BBC: TV Centre to include hotel, flats and offices

The 10, 000-pound sculpture will stand in front of the arena's main entrance under the so-called oculus, a circular opening in a roof that juts over the plaza.

WSJ: 'Humanity' in Barclays Center's New Sculpture