Helicopters are limited in their forward speed by the spinning rotor blades that make hovering possible.
直升飞机那不停转动的旋翼叶片使其能够在空中悬停，但却限制了它向前的飞行速度。
Some key techniques on spinning, knitting and dyeing of sea-island fiber knitwear are discussed. The problems and prospects of developing sea-island fiber are put forward.
着重介绍了针织用海岛纤维纺、织、染生产过程中的一些技术关键，对海岛纤维开发中尚存的问题及应用前景提出了自己的见解。
This paper introduces the application of VT230S frequency converter in nylon spinning, analyses the problem while debugging and brings forward solution.
介绍了VT230S变频器在尼龙纺丝中的应用，分析了调试中的故障现象及对策。
The expression and concept of centrifugal spinning of fly frame are put forward. The change regularity of centrifugal tension is derived.
前言： 给出了粗纱机纺纱离心力的表达式，提出了“离心张力”的概念，导出了离心张力的变化规律。
Killerbee spins, and jumps forward while spinning. If you time it right, you can bounce back.
八尾人柱力旋转，并且跳跃往前旋转假如你时间合适，你可以往回跳跃。
Killerbee spins, and jumps forward while spinning. If you time it right, you can bounce back.
八尾人柱力旋转，并且跳跃往前旋转假如你时间合适，你可以往回跳跃。
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