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- spin velocity variations of the Earth 地球自转速度变化
- The fairly good structure of PGA fiber can be obtained at low spinning velocity and high after-dra... 采用低速纺丝高倍后拉伸的工艺路线可以得到具有较好结构的PGA纤维。
- The results showed that in test zone,with the spinning velocity increased,hollowness of the hollow polyester POY decreased. 结果表明：在试验范围内，随着纺丝速度的提高，涤纶POY的中空度变小；
- The lorry went into a spin on a patch of ice. 卡车在一片冰地上打滑了。
- Let's go for a spin in my new car. 坐我的新汽车兜一圈吧。
- I've been in a real spin all morning. 我整个上午都晕头转向的。
- The pitcher gave a spin to the ball. 投手使球旋转。
- Gazelles can move with astonishing velocity. 羚羊跑起来速度惊人。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- He has been in a spin since the defeat. 他被击败以来一直情绪低落。
- The car was moving at such a velocity! 那辆汽车的速度简直太快了！
- Get your bicycle and come for a spin. 把你的脚踏车拿来去兜一圈。
- My sister can spin on her toes like a dancer. 我妹妹能像舞者一样踮着脚尖旋转。
- Gazelles can movewith astonishing velocity. 羚羊跑起来有时速度惊人。
- The hare darted off with the velocity of a bird. 野兔像鸟一样快速掠去。
- The news sent prices into a spin. 那消息使物价急遽下降。
- They spin at 400-500 revolutions per minute. 它们每分钟旋转四百到五百周。
- Mother used to spin her own yarn. 母亲过去一直是自己纺纱的。
- The hollowness of PET POY in different spinning velocities and drawing conditions was measured,and the affecting factors were analyzed and discussed. 通过对不同纺丝速度及拉伸条件下涤纶POY中空丝的中空度的测定，分析探讨了影响涤纶POY中空度的原因。
